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yo ucan tell if there is a chemical change if there is a temperature change, color change,formattion of gas, precipitate,or a release of gasses

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12y ago
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15y ago

When a chemical reaction occurs, the properties, (colour , texture etc.) change, creating a new substance. e.g, Hydrogen gas and oxygen gas react to make water, a completely new substance

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13y ago

A chemical change occurs when atoms are rearranged or when bonds are broken. Chemical changes are normally hard to undo. Examples of chemical change includes burning or rusting.

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Q: How do you know if there is a chemical change?
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Continue Learning about Chemistry

A change in matter that produces new substances is called?

Chemical change. References: Intro to Matter book.


What are 3 list of chemical change?

You know a chemical change happened if: -A change in color -Formation of a precipate (a solid) -Formation of a gas


Is grilling a burger a chemical or physical change?

Well, grilling the bread is a chemical change, but the melting cheese I believe is a physical change.


Is growth physical change or chemical change?

Human growth is a chemical change because the organs inside your body react with a substance (I don't know what substance, but I know it reacts with somthing in your body) in your body


A substance that undergoes a chemical change is still the same substance after the change?

i want to know the answer.............................................................................................................................................................................. .................................................................................................................................. ................................................................................................................................................ .................................................................................................................................................... ................................................................................................................................. ...................................................................................................................................... but I don't!

Related questions

A change in matter that produces new substances is called?

Chemical change. References: Intro to Matter book.


How do you know if a candle is a chemical change?

Can you reverse the change?


How do you know that baking bread is a chemical change and not a physical change?

Its a chemical change because its changing what it is (from dough to bread)


Is hydrofluoric acid attacking glass a physical or chemical change?

Does anyone know


Which change below is a chemical change?

dont know your out of luck


What are 3 list of chemical change?

You know a chemical change happened if: -A change in color -Formation of a precipate (a solid) -Formation of a gas


Is a sausage cooking a chemical reaction?

don't know..... personally i think it is because it is a change and a change is a chemical reactions


Is decaying matter a physical or chemical change?

It's a chemical change. A chemical change is any change that causes a substance to change into another substance. A sign to know whether it's a chemical change or not, are the changes in odor. When something decays the change in smell is very powerful. Therefore, it is a chemical change.


Is grilling a burger a chemical or physical change?

Well, grilling the bread is a chemical change, but the melting cheese I believe is a physical change.


What is lightning a candle a physical or chemical change?

chemical


How we know a chemical change has occurred when burning a candle?

Burning is a chemical reaction, an oxydation.


Did My Chemical romance change there name to your chemical romance?

Not as far as I know. I think it's still My Chemical Romance, they had no reason to change it. so, yeah... they better not have! ;)