|
What does the equation 2H2O2 2H2O O2 tell you?
 88
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| |
|
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Is a soda turning flat a chemical change?
88
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| |
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What evidence of a chemical reaction when dropping an alka selter tablet into a glass of water?
84
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| |
|
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What kind of chemical reaction is dropping an Alka Seltzer tablet into a glass of water?
80
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| |
|
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If you spill household bleach on denim jeans is this change chemical or physical?
77
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| |
|
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Is mixing oil and vinegar together a chemical change?
77
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| |
|
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What evidence supports that a chemical reaction is taking place?
77
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| |
|
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Why are aqueous copper II solutions blue?
77
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| |
|
|
What is the evidence of a chemical reaction in burning a match?
77
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| |
|
|
What non toxic compound will make sea water red?
63
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| |
|
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Is water and copper chloride a physical reaction?
63
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| |
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How can water change to gas with two cups of water outside in the sun for one week?
60
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| |
|
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What type of chemical reaction is a match?
60
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| |
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What chemical gas causes bubbles in water?
59
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| |
|
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What forms when two colorless solutions are mixed?
59
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| |
|
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Is distilled water mixed with copper II sulfate a chemical change?
59
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| |
|
|
One reaction that produces hydrogen gas can be represented by the following unbalanced chemical equation.
Mg(s) HCl(aq)-->MgCl2(aq) H2(g)?
59
|
| |
|
|
Compare the physical and chemical properties of salt and sugar?
59
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| |
|
|
Why does your face change when dying?
59
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| |
|
|
What id the formula for alka seltzer and water?
59
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| |
|
|
Can period after a chemical pregnancy be lighter and shroter?
59
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| |
|
|
What is the term for an evolutionary change in one species that results in the evolutionary change of another species A Binary evolution B Competit?
59
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| |
|
|
What is the oxidizing agent in the following chemical reaction 5H2O2 2MnO4 6H?
59
|
| |
|
|
Which gas extinguishes a burning match stick?
49
|
| |
|
|
If the first set of reactants is nh4oh and kal so4 2 and the second set of reactants is mgso4 and nh4oh is either reaction considered a synthesis rea?
48
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| |
|
|
What causes the bubbles to produce during reaction?
38
|
| |
|
|
What is the physical reaction of making tea?
38
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| |
|
|
Why do my clothes smell bad after i go outside ,could it be a chemical reaction or my detergent or what?
36
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| |
|
|
What does it mean when bubbles form in water sitting out on counter?
36
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| |
|
|
Why was the sample of copper chloride hydrate heated What changes did you observe during the heating Were the changes chemical or physical or both?
36
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| |
|
|
Why do i love dressing up and doing like women do?
27
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| |
|
|
Does alka seltzer in water dissolve faster in cold water?
26
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| |
|
|
Is mixing lemon juice and ice chemical or physical?
26
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| |
|
|
If there is a color change in a reaction does that mean their is a precipitate?
26
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| |
|
|
What is the chemical equation for water ad alka seltzer?
26
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| |
|
|
Why does my water turn the sink and grout pink?
26
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| |
|
|
What evidence of a chemical reaction does dropping an alkaseltzer tablet into a glass of water give?
26
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| |
|
|
Can Hormons that will change a guy into a women?
26
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| |
|
|
Is heating copper carbonate a chemical or physical change?
26
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| |
|
|
Why when acid spills on jeans it is a chmeical change?
25
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| |
|
|
I need a light over my kitchen sink how much will that cost to have an electrician do that?
25
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| |
|
|
Why does alkar seltzer disolves faster in hot water?
25
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| |
|
|
Is spilled gasoline leaving an odor a physical or chemical change?
23
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| |
|
|
Is making fresh lemonade a chemical change?
21
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| |
|
|
Why do pumpkins change colr?
21
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| |
|
|
What is the chemical equation for H2O CaO?
20
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| |
|
|
What kind of change is an apple turning brown after being cut?
17
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| |
|
|
What are 5 kinds of chemical change?
17
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| |
|
|
Is heating copper sulfate and then water added physical or chemical?
15
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| |
|
|
When a dead coral reef is pounded by waves into beach sand does is it a chemical or physical change?
14
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| |
|
|
Why zinc solutions colorless?
14
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| |
|
|
Why does frying foods irriatate my eyes?
14
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| |
|
|
When magnesium is added to dilute sulphuric acid is it a physical or chemical change that takes place?
14
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| |
|
|
What are three physical properities of a crushed can?
13
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| |
|
|
What happens when an acid tablet is in water?
13
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| |
|
|
What is the chemical equation for alka seltzer and water?
13
|
| |
|
|
Is CuSO4 combustable?
13
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| |
|
|
What type of change is heating copper carbonate?
12
|
| |
|
|
Is melting copper a physical change or chemical change?
12
|
| |
|
|
How much does it cost to hire my chemical romance to come to your house?
12
|
| |
|
|
What happens when a hydrate is heated to form a anhydrous material?
12
|
| |
|
|
Chemical properties of drain cleaner?
12
|
| |
|
|
Is fading color a physical or chemical change?
11
|
| |
|
|
What kind of reaction when heating CuSO4 5H2O?
11
|
| |
|
|
Is mixing sodium hydroxide and copper II nitrate a chemical change?
11
|
| |
|
|
How to change the color of steel or sheet metal?
10
|
| |
|
|
Is tea lighting with lemon drops chemical change?
9
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| |
|
|
Gas bubbles forming as a liquid boils in a pot. Does the gas bubbles indicate a chemical change?
8
|
| |
|
|
Why does a tooth change color?
8
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| |
|
|
Why is thick sole boots not slipping on ice a physical change?
8
|
| |
|
|
Is putting food dye in water a physical or chemical change?
7
|
| |
|
|
What is the chemical change that occurs when bleach turns a red towel white?
6
|
| |
|
|
Is heating CuSO4 x 5H20 an example of a chemical changes?
6
|
| |
|
|
How is food pasta a physical change?
6
|
| |
|
|
If snow disappears without melting is that a physical or chemical change?
6
|
| |
|
|
What are the properties and composition of the ketohexose in fruit jam?
6
|
| |
|
|
Is it a physical or chemical change when copper II sulfate is heated?
5
|
| |
|
|
When a chemical compound leaves behind a residue can it get on your clothes if you rub against it?
5
|
| |
|
|
What to do for a nair hair remover burn underarms?
5
|
| |
|
|
Is lemonade chemical or physical changes?
4
|
| |
|
|
Is mixing sodium hydroxide with copper sulfate a chemical or physical change?
4
|
| |
|
|
My 3 year old sons iris glows red when light hits it a certain way?
4
|
| |
|
|
If you spill gas and it disappears is that a physical or chemical change?
4
|
| |
|
|
What is the white stuff on my pot after boiling water?
4
|
| |
|
|
When water is heated bubbles form in the water is this evidence of a chemical reaction Why?
4
|
| |
|
|
What happens if you treat burns wrong?
3
|
| |
|
|
Is butter getting rancid a physical change?
3
|
| |
|
|
Is it a chemical or physical change when LED glows in the dark?
2
|
| |
|
|
How long does it take for redness from chemical burn from nair take to go away?
2
|
| |
|
|
Does salysilic acid cause bleaching on clothes?
2
|
| |
|
|
If the first set of reactants is mgso4 and nh4oh and the second set of reactants is nh4oh and kal so4 2 is either reaction considered a synthesis rea?
2
|
| |
|
|
Is snow disappearing without melting a physical or chemical change?
2
|
| |
|
|
What do the bubbles in an HCL reaction indicate?
1
|
| |
|
|
Does boiling an egg change its mass?
1
|
| |
|
|
Is using chlorine bleach to remove coffee stain on white lab coat a physical or chemical change?
1
|
| |
|
|
Using copper (II) sulfate and burning it with methanol, a green fire is made. what is the chemical equation and what is produced?
1
|
| |
|
|
What is the dirt smell in the kitchen sink drain?
1
|
| |
|
|
Is mixing copper (II) sulfate, distilled water and steel wool a chemical or physical change?
1
|
| |
|
|
Is oatmeal a phisical change?
1
|
| |
|
|
What is the chemical reaction between sand and hydrogen peroxide?
0
|
| |
|
|
What makes water come up in the sink when comode is flushed?
0
|
| |
|
|
How do i know when crushed red pepper is spoiled?
0
|
| |
|
|
How do change hertz on my lg tv?
0
|
| |
|
|
Well water turns whits grayish..what can i use to illiminate this problem?
0
|
| |
|
|
Is burning toast a chemical change?
0
|
| |
|
|
Chemical reactions took place in kitchen in equation form?
0
|
| |
|
|
Is gasoline spilling chemical or physical change?
0
|
| |
|
|
Chemical reactions and bubbles?
0
|
| |
|
|
Does exposing a rubber band to radiation change its strength?
0
|
| |
|
|
What evedence of a chemical reaction in bleaching a stain?
0
|
| |
|
|
How much does a energy get pay?
0
|
| |
|
|
How to get rid of rings in sink?
0
|
| |
|
|
What is the balancing equation of CaCO3 = CaO CO2?
0
|
| |
|
|
What does it mean when you feel like water is bubbling in your ears?
0
|
| |
|
|
When a liquid turns cloudy in a chemical reaction what is really being form?
0
|
| |
|
|
Are firecrackers a chemical change?
0
|
| |
|
|
When fingernail polish remover evaporates is it a physical or chemical change?
0
|
| |
|
|
Is it a physical or chemical change when lemon juiceis added to iced tea?
0
|
| |
|
|
Is bleaching hair with hydrogen peroxide a chemical change or physical change?
0
|
| |
|
|
Is mixing lemonade a physical change?
0
|
| |
|
|
A part of butter melts and then burned in a hot fryin again.which of these changes is physical and which is chemical?
0
|
| |
|
|
What evidence of chemical reaction might you see in th following case of alka seltzer into watr?
0
|
| |
|
|
Is mixing stuff to making cement a chemical of physical change?
0
|
| |
|
|
Is suger in water acemical change?
0
|
| |
|
|
How does the grinding of the liver affect the reaction of the hydrogen peroxide?
0
|
| |
|
|
Can chemical mouth burn cause permanent linea alba?
0
|
| |
|
|
If a thermometer is placed into a mixture undergoing chemical reaction you might observe that the temperature has gone up or down indicating that wha?
0
|
| |
|
|
Is grilling vegetables a chemical or physical change?
0
|
| |
|
|
What is true about the following equation H2 O2 2 H2O?
0
|
| |
|
|
How to change the color of your prom dress?
0
|
| |
|
|
When ammonium bicarbonate is heated is it physical or chemical change?
0
|
| |
|
|
Will boiling water damage jeans?
0
|
| |
|
|
To mix stuff into cement = phycal or chemical change?
0
|
| |
|
|
What to do if you accidently spill bleach in your hair?
0
|
| |
|
|
Is fading of dye a chemical or a physical change ?
0
|
| |
|
|
Why does my navel pop out then sink in while i m pregnant?
0
|
| |
|
|
Is bleach dying a purple shirt pink a physical or chemical change?
0
|
| |
|
|
What causes bubbles in reaction Fe CuSO4 5H20?
0
|
| |
|
|
Is breaking of a glass bottle a reversible change?
0
|
| |
|
|
How to speed up crop production?
0
|
| |
|
|
Why does steel change color when heated then cooled?
0
|
| |
|
|
What is a chemical change melting butter or burning of leaves?
0
|
| |
|
|
Is fading of dye in cloth a chemical reaction or hysical reaction?
0
|
| |
|
|
Is hair dye a chemical or physical change?
0
|
| |
|
|
How to hide chemical burn on face nair make up?
0
|
| |
|
|
Why does sink gurgle when commode flushes?
0
|
| |
|
|
How to stop towel heater rusting?
0
|
| |
|
|
What chemical turns aluminum orange?
0
|
| |
|
|
How much money does my chemical romance make?
0
|
| |
|
|
Which represents a chemical reaction?
0
|
| |
|
|
When bannanas turn black is it a chemical reaction?
0
|
| |
|
|
What happens when tablet goes into water bubbles?
0
|
| |
|
|
How to plunge a sink loc GB?
0
|
| |
|
|
Is copper chloride and water a chemical reaction?
0
|
| |
|
|
Dropping alka-seltzer tablet into glass of water?
0
|
| |
|
|
What kind of reaction is H2O2 and heat?
0
|
| |
|
|
Is adding water to oatmeal a physical or chemical change?
0
|
| |
|
|
What causes orange discoloration in sink?
0
|
| |
|
|
Is bleach changing the color of a shirt a chemical change?
0
|
| |
|
|
How to change the shape of the sights on blackopps?
0
|
| |
|
|
What chemical reaction does copper ll sulfate and water form?
0
|
| |
|
|
Is making pasta a chemical or physical change?
0
|
| |
|
|
What does it mean when one cats eye glows?
0
|
| |
|
|
When bananas turn black is it a chemical reaction?
0
|
| |
|
|
What type of chemical reactions happens when bleaching a stain?
0
|
| |
|
|
Why does cement turn to powder?
0
|
| |
|
|
Is cooked food chemical or physical change?
0
|
| |
|
|
Is cooking a hamburger a chemical reaction?
0
|
| |
|
|
When a banana goes black is this a chemical reaction?
0
|
| |
|
|
How to getrid of chemical smell?
0
|
| |
|
|
Why does copper chloride change colors when you add water?
0
|
| |
|
|
Will dye stain basement sink?
0
|
| |
|
|
Is it ok to drink water that has set with bubbles in it?
0
|
| |
|
|
Is butter turning rancid a physical change?
0
|
| |
|
|
Is adding a potassium permanganate crystal to water a chemical change?
0
|
| |
|
|
What kind of change is snow disappearing without melting?
0
|
| |
|
|
What type of chemical reaction occurs when baking soda water and vinegar mixed together is it a double replacement?
0
|
| |
|
|
Is adding drops of water to copper sulfate pentahydrate chemical or physical?
0
|
| |
|
|
When can you tell when chemical reaction has happened?
0
|
| |
|
|
How to cover up veet burn?
0
|
| |
|
|
How do i change my m z berger watch from military time?
0
|
| |
|
|
How to unlock the water city in fable 3?
0
|
| |
|
|
Which is first to be added to lemonade, sugar or ice cube?
0
|
| |
|
|
Is bleach removing color a physical or chemical change?
0
|
| |
|
|
Is sweat evaporating from skin a chemical reaction?
0
|
| |
|
|
Why can there be no such compound as CBr5 Give an acceptable chemical formula for a compound that is made of only carbon and bromine?
0
|
| |
|
|
How to treat minor chemical burn Nair hair remover lotion afterwards?
0
|
| |
|
|
How long do nair burns on face last long?
0
|
| |
|
|
Is bleaching a stain a physical or a chemical change why?
0
|
| |
|
|
Is heating copper II sulfate a physical change?
0
|
| |
|
|
How can i ger rid off brown burn mark of my face from using nair?
0
|
| |
|
|
What is the equation when we heat CuSO4 5H2O?
0
|
| |
|
|
What are the chemical properties of a crushed can?
0
|
| |
|
|
Is there any chemical / detergent can make an old / faded clotch looks like new?
0
|
| |
|
|
Can i put deodorant on if i had an allergic reaction to nair?
0
|
| |
|
|
WHAT TYPE OF reaction is bleaching clothes?
0
|
| |
|
|
Is adding copper II chloride to water a chemical reaction?
0
|
| |
|
|
How do you know if a precipitate has formed in a chemical reaction?
0
|
| |
|
|
Is bleaching socks a chemical change?
0
|
| |
|
|
How to repair face burned by nair?
0
|
| |
|
|
Is the formation of stalagmites a chemical or physical change?
0
|
| |
|
|
Is boiling metal a chemical or physical change?
0
|
| |
|
|
What type of reaction is copper II oxide and sulphuric acid?
0
|
| |
|
|
I am wondering which chemical in sunscreen causes discoloration of fabric?
0
|
| |
|
|
What are some chemical changes from tie-dye shirts?
0
|
| |
|
|
Is dissolving food colouring in water a chemical or physical change?
0
|
| |
|
|
Is boiling water to make tea a reversible or chemical change?
0
|
| |
|
|
Are broken pieces a sign that a chemical change?
0
|
| |
|
|
What should i use on my face to cure a chemical burn from nair?
0
|
| |
|
|
What happens if boiling water in a hot water bottle?
0
|
| |
|
|
How to treat bleach burn on thumb?
0
|
| |
|
|
I bought new jeans and can t get chemical smell out?
0
|
| |
|
|
Is removing a stain using bleach a chemical or physical change?
0
|
| |
|
|
Will values be affected if crucible and hydrate is not heated long enough to drive off water?
0
|
| |
|
|
How much does paper chemical pets manager make at walmart?
0
|
| |
|
|
Is making lemonade a chemical change?
0
|
| |
|
|
Is boiling water s physical or chemical reaction?
0
|
| |
|
|
Expalin in diffusion terms why when adding sugar to lemonade and letting it sit, the lemonade tastes sweet?
0
|
| |
|
|
How to change the skin on my dsi?
0
|
| |
|
|
Why does bubbling occur in reaction?
0
|
| |
|
|
When the following equation is balanced what is the coefficient of H2O Zn OH 2 CH3COOH Zn CH3COO 2 H2O?
0
|
| |
|
|
Does saturated vegetable oil react with bromine water?
0
|
| |
|
|
Do marshmallows have chemical reaction to wood?
0
|
| |
|
|
What does it mean when something is bubbled intoa chemical reaction?
0
|
| |
|
|
Why does bleach turn water red?
0
|
| |
|
|
When the following equation is balanced what is the coefficient for h2o Zn OH?
0
|
| |
|
|
What chemical changes occur when food is cooked?
0
|
| |
|
|
What chemical reaction happens when you mix sulfur and sodium?
0
|
| |
|
|
When i turn my sink on the shower fills up with dirty water?
0
|
| |
|
|
What type of chemical reaction would appear while bleaching a stain?
0
|
| |
|
|
What chemical reaction causes white plastic chairs to turn yellow when outside?
0
|
| |
|
|
Is breaking of glass an irreversible change?
0
|
| |
|
|
How long does chemical burn on face last nair hair removal?
0
|
| |
|
|
Is a cup of water boiling a chemical change?
0
|
| |
|
|
Does hot water speed up the chemical reaction to tea?
0
|
| |
|
|
Is cutting vegetables chemical or physical change?
0
|
| |
|
|
Is water boiling a physical or chemical property?
0
|
| |
|
|
What does bubbling indicate chemical?
0
|
| |
|
|
Which of the following is a chemical reaction 1 point?
0
|
| |
|
|
Is the heating of copper chloride hydrate a physical or chemical change?
0
|
| |
|
|
Which is a chemical change melting butter or burning leavs?
0
|
| |
|
|
What is the boiling point of water at 5 atm?
0
|
| |
|
|
Can the sun cause a chemical reaction in the skin and turn clothes orange?
0
|
| |
|
|
Why does color change for copper II sulfate?
0
|
| |
|
|
Is heating CuSO4 and 5H2O a chemical or physical change?
0
|
| |
|
|
What does color change mean in chemical reaction?
0
|
| |
|
|
Why would i have dirty water coming out of my sink?
0
|
| |
|
|
What type of chemical reaction is a nail rusting synthesis decomposition or replacement?
0
|
| |
|
|
Is the decomposition of CuSO4 5H2O into water and anhydrous CuSO4 a physical or a chemical change?
0
|
| |
|
|
Is the fading of dye in cloth a physical or chemical change?
0
|
| |
|
|
How to fix bleach spots on denim jeans?
0
|
| |
|
|
Is heating a sidewalk chemical or physical change?
0
|
| |
|
|
How long does it take to treat a burn from nair?
0
|
| |
|
|
Is ice melting in tea a chemical change?
0
|
| |
|
|
How to treat a nair burn fast on underarms?
0
|
| |
|
|
What chemical change the color of clothes?
0
|
| |
|
|
How much to change capacitors on flat?
0
|
| |
|
|
Is lightning in the sky a chemical or physical change and why?
0
|
| |
|
|
Can woolite give u a skin reaction?
0
|
| |
|
|
What do you observe when you heat CuCO3?
0
|
| |
|
|
How does grinding or pulverizing affect a reaction?
0
|
| |
|
|
What evidence you have that chemical reaction took place in magnesium oxide?
0
|
| |
|
|
Is jello a physical or chemical change?
0
|
| |
|
|
What chemicAL reaction happen when dropping an alka seltzer tablet into a glass?
0
|
| |
|
|
What happpens during a displacement reaction?
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Why is heating butter a physical change?
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Do you get a chemical reaction if you heat zinc oxide?
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Is water turning blue physical change?
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How does chemical change relate to tie dying shirts?
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Why does copper turn white after heating?
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When you pour hydrogen peroxide on a wound is it a chemical change or physical?
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How long does it take a chemical burn from nair to heal?
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Why does my kitten HAVE A LOT OF ENERGY?
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What gauge pressure is required in the city water mains for a stream from a fire hose connected to the mains to reach a vertical height of 15 0 Ass?
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Is mixing copper sulfate with aluminum wire a physical change?
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Is CuSO4 5H2O a compound or substance?
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Is drain cleaner a physical or chemical?
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How to change rccb?
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If you added salt instead of sugar to lemonade how will this change the property of the lemonade?
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IS BREAKING OF GLASS AN IRREVERSIBLE CHANGE?
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What type of reaction is copper II sulfate pentahydrate heat?
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What evidence of a chemical reaction might you see in bleaching a stain?
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When i turn on my sink air bubbles in my toilet?
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What causes chlorine to have a chemical reaction?
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What gas is released in catalase reaction?
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What if nair bleached my face?
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Why is a soft drink bubbling not a chemical change?
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What would happen if you planted sea water on an amimal cell?
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What happens to the particles in the reaction between iron sulphide?
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Is bubbles and fizzing an example of physical or chemical change?
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Provide a balanced equation for the hydration of sodium sulfate,?
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Why do guys touch you when grinding?
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How does copper chloride change temperature in water?
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What reaction will come from mixing NiSO4 and 7H20?
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Will hyrdocortizone help a nair burn?
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Is sweat evaporating a chemical change?
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What is the chemical reaction for magnesium silver nitrate?
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How much is my chemical romance worth?
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When antacid is mixed with water, what kind of change occurs?
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Is mixing copper sulfate with aluminum a chemical or physical change?
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What does it mean when bubbles form in a chemical reaction?
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Is butter going rancid physical or chemical change?
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Adding copper chloride to water?
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What chemical sunscreen does not stain clothes?
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As a chemical reaction occurs, the thermometer in the container records an increase in temperature. What is true of the reaction?
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What are the best ways I can limit energy use in my home and help the environment?
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Canada
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