1. Which of the following is not a physical change?
(a) Boiling of water to give water vapour
(b) Melting of ice to give water
(c) Dissolution of salt in water
(d) Combustion of Liquefied Petroleum Gas
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Answer:
d) combustion of Liquefied Petroleum Gas
Explanation:
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Answered by
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Answer:
1 d
Explanation:
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