Question

What changes can be accompanied by a chemical reaction?
a) Change in colour, (b) Change in physical state, (c) Change in energy, (d) All of these.​

Answer 1

Answer:

all of these is the answe

Answer 2

Answer:

Option (d) All of these is the answer.

Explanation:

In a chemical,all of these changes takes place.These changes indicate whether a chemical reaction has taken place.

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