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Slow Changes and Fast Changes

Melting of wa...

Question

Melting of wax is a _ change while burning of wax is a _ change.

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Solution

Melting of wax is a physical change since only the physical state of the substance changes from solid to liquid. Burning of wax is a chemical change since wax reacts with oxygen and produces carbon dioxide and ash.

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Slow Changes and Fast Changes

Standard VII Chemistry

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