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signs of a chemical reaction occurring include:

-formation of a gas (bubbles)

-change in color

-transfer of energy (change in temperature, giving off light)

-formation of a precipitate (if a solid forms out of solution)

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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 transferring graphite from pencil to paper when writing a chemical or physical change?

physical change. You know that it is a physical change because it can be reversed. An example of a chemical change would be cooking an egg. Because you cannot reverse the process.


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!


Is drying cloths is chemical change?

It is a Physical Change because i dont know but im sure that is a physical change :P

Related Questions

A change in matter that produces new substances is called?

Chemical change. References: Intro to Matter book.


Is smoke an indicator of a chemical or physical change?

Fire is a chemical change in and of itself. The smoke is a product of that change.


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


How would someone know if a flask was centamanated?

If a flask is contaminated, you may notice a change in color or odor of the contents. Growth of unexpected microorganisms, cloudiness in the liquid, or particles floating in the flask could also indicate contamination. It's important to use proper sterilization techniques to prevent contamination.


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.


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.


What is filtering flask?

i dont know! what is really the answer?


What should you have in a household in case of any chemical leaks that you do not know is going on?

Depending on the chemical, wether its HARMFUL or not, you'll know right away it is a chemical leak. Sometimes it accures on its owns, and you might never know its happening, That is why you should always have a fire alarm, including others.