Science, asked by anushka923, 1 year ago

what are the evidence of a chemical reaction?
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7th class ke hisaab se he batana

Answers

Answered by nazreen055

3

Explanation:

Change of odur.

Change of colour.

Change in energy and temperature.

ARE THE EVIDENCE.

HOPE U UNDERSTAND

Answered by justaum

2

Answer:

The following may / are the evidences of a chemical reaction:-

-Change in color of reactants undergoing the chemical change

-Formation of precipitate

-Release of odour

-Absorbtion or releasing of energy in form of heat, light etc

-Releasing of gas (effervescence)

Hope it helps you......

Kudos!

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