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tester [92]
4 years ago
15

What only happens during a chemical reaction?

Chemistry
1 answer:
tia_tia [17]4 years ago
6 0
D. is the right answer.
When you mix two things, color doesn't necessarily change.
Substances are not always formed.
Gas may not always be a product of your reaction.
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Kobotan [32]

I can form two compounds if I combine calcium, hydrogen and oxygen in five minutes.

<h3>What is a compound?</h3>

A compound is formed by the combination of atoms. It is important to note that the same atoms can be combined in different ways to produce new compounds.

I can form two compounds if I combine calcium, hydrogen and oxygen in five minutes.

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