Science, asked by sanjupradhan9711, 3 months ago

गिव वन एग्जांपल डेट द केमिकल रिएक्शन हेल्थ टेकन प्लेस

Answers

Answered by Anonymous

1

Answer⤵️⤵️

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.

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