Chemistry, asked by prashantbara4939, 10 months ago

⦁ How do you identify if chemical reaction has taken place or not?

Answers

Answered by parry8016

4

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. ...

A solid has formed.

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