Science, asked by mk6599181, 6 hours ago

How neha can determine that chemical reaction has happened?

Answers

Answered by siri1534

0

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.

Answered by SUPERMANSIVARAJKUMAR

0

Answer:

FOLLOWING OBSERVATIONS COULD HELP NEHA:-

i) CHANGE IN COLOURS

ii) CHANGE IN ODOUR

iii) CHANGE IN TEMPERATURE

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