1 Answers

Option 3 : Both 1 and 2

Explanation

LPG (Liquified petroleum gas) contains the hydrocarbon of Propane (C3H8) and Butane (C4H10) these gases have no odour, Since this gas is flammable Ethyl Mercaptan (C2H5SH), a compound of sulfur, is used for odour in the LPG

Sublimation: It is a chemical process in which a solid body directly turns into a gaseous state without going through the liquid state.

Camphor can be purified by the sublimation method.

Hence both the statements are correct.

∴ Option 3 is correct

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