Chemistry, asked by bfaps4663d, 3 months ago


1) What the help of an activity, demonstrate how do we know that a chemical reaction
has taken place?​

Answers

Answered by rudrabhadoriya99
0

Answer:

We can tell if a chemical reaction has taken place when one or more of the following things happen: There has been a colour change inside the reaction flask. A gas has formed. Usually we know a gas has formed when we can see bubbles.

Explanation:

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