Chemical Process
Parathion and Malathion are

Plasticisers for unsaturated polysters
Pain-relieving drugs (analgesic)
Pesticides
Tranquilisers

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Chemical Process
Fusel oil is a/an

None of these
Essential oil
Extract from medicinal herbs
Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses)

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Chemical Process
Pasteurisation of milk means

Removal of fatty and albuminous substance from it
Inhibiting the growth of micro-organisms without killing them
None of these
Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

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