Energy change occurs when the components of the air are mixed together.

Naphthalene balls

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Solution

The correct option is B
Bitumen

No energy change occurs when the components of air are mixed together as air is a mixture and not a compound. Energy change occurs in the formation of a compound.

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Energy change occurs when the components of the air are mixed together.

The correct option is B Bitumen No energy change occurs when the components of air are mixed together as air is a mixture and not a compound. Energy change occurs in the formation of a compound.

The correct option is B
Bitumen

No energy change occurs when the components of air are mixed together as air is a mixture and not a compound. Energy change occurs in the formation of a compound.