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Question

Melting of wax is a  change and an  process.
  1. physical
  2. chemical
  3. endothermic
  4. exothermic


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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