Which one of the following is a chemical chan | vedclass

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(A) The correct answer is $A$. Burning of wax.Reason: Burning of wax is a chemical change because candle wax is a hydrocarbon that reacts with oxygen

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Burning of wax

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(A) The correct answer is $A$. Burning of wax.Reason: Burning of wax is a chemical change because candle wax is a hydrocarbon that reacts with oxygen to produce new substances like carbon dioxide $(CO_{2})$ and water vapor $(H_{2}O)$. This process is irreversible,as the original wax cannot be recovered from the combustion products.In contrast,the melting of wax is a physical change because it only involves a change in the state of matter from solid to liquid,and the wax can be solidified again by cooling.

Which one of the following is a chemical change? Give reason also.
$A$. Burning of wax
$B$. Melting of wax

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Which one of the following is a chemical change? Give reason also.$A$. Burning of wax$B$. Melting of wax