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7. Give one w...

Question

7. Give one word:
2. Is melting of wax reversible or irreversible change?

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Solution

When the wax melts, the state of the solid wax changes into liquid but on cooling, it gets back to the solid form.
So, no new substance is formed when the wax is heated and solid wax is obtained back.
Hence, the melting of wax is a reversible change.

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