Melting of wax is a change and an process.

physical

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chemical

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endothermic

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exothermic

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Solution

The correct options are
A physical
C endothermic
Melting of wax involves change in its state from solid to liquid without forming any new substance. Hence, it is a physical change.

This process also involves absorption of heat. Therefore, it is an endothermic process.

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