Science, asked by ratuldas863800, 2 months ago

Write the factors that can be used to determine whether a chemical reaction has taken place or not. Explain each factor with about 3-4 lines.​

Answers

Answered by ssahil9999992
2

Following observations helps us to determine whether a chemical reaction has taken place :

1. Change in state

2. Change in colour

3. Evolution of a gas

4. Change in temperature.

Answered by singhrajinder83574
3

Explanation:

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