Which of the following is an example of a chemical change?

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Team JKSSB Mock Tests · Accepted Answer

Burning of a candle involves combustion of wax (hydrocarbons) with oxygen to produce CO₂ and H₂O, a chemical change. The melting of wax is a physical change. Cutting wood is physical (size change). Freezing water is physical (state change). A chemical change results in new substances with different properties. Often irreversible.

Which of the following is an example of a chemical change? MCQ with Answer and Explanation

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