What are the conditions for a chemical change?

Combining particles are in close contact.

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Energy is supplied

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Both A and B

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None of these.

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Solution

The correct option is B Both A and B
For a chemical reaction to take place, the combining particles must be in close contact and energy has to be supplied.

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What are the conditions for a chemical change?

The correct option is B Both A and BFor a chemical reaction to take place, the combining particles must be in close contact and energy has to be supplied.

The correct option is B Both A and B
For a chemical reaction to take place, the combining particles must be in close contact and energy has to be supplied.