Question

Answer the Question no. 1 quickly

Answer 1

Hello dear,
Here is your answer,
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Combustion of LPG is a chemical change as the combustion process results in the formation of new products, carbondioxide and water. The reaction is irreversible.
The rest are all physical changes.

Hence, the answer is option d), combustion of LPG.

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Hope it helps u !!!!

Cheers :))

# Nikky