Industrial Chemical MCQs with Answers

One-liner

Distillation is the method used to obtain drinking water from seawater by boiling it and condensing the vapour, leaving salts behind.

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Raney nickel is prepared by treating a Ni-Al (nickel-aluminum) alloy with concentrated sodium hydroxide (NaOH).

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Sand is NOT a raw material required for cement production; the primary raw materials are limestone, clay, and gypsum.

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Plastic pipes and fixtures are made by moulding.

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Plastic is manufactured from petroleum by a process called Polymerization.

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Raney nickel is prepared by treating a Ni-Al (nickel-aluminum) alloy with sodium hydroxide (NaOH).

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Acetic acid is used in the manufacture of synthetic fibers, particularly in producing cellulose acetate fibers.

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The unit operations used in the sugar industry include crystallization, evaporation, and centrifugation — so the correct answer is All of these.

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The first process in a petroleum refinery is Distillation, which separates crude oil into different fractions based on boiling points.

One-liner

TEL (Tetraethyl Lead) is the anti-knocking agent used to reduce knocking in internal combustion engines.