Question

What are the important characteristics of chemical reactions?

Answer 1

1) change in temperature

2) change in colour

3) change in state

4) evolution of gas

5) formation of precipitate

Answer 2

$\huge{Answer}$

The important characteristics of chemical reactions are:

1⃣ Evolution of gas

2⃣ Formation of precipitate

3⃣Formation of new substance

4⃣Change in colour

5⃣Change in temperature .

6⃣Change in state

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