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Chemical Process

Chemical Process
Main constituent of limestone is

MgCO₃
CaSO₄
CaCO₃
Na₂CO₃

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Chemical Process
__________ iron is the purest form of iron.

Cast
High silicon
Pig
Wrought

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Chemical Process
Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of

Methyl alcohol
Formic acid
Nitric acid
Hydrochloric acid

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Chemical Process
Carboxymethyl cellulose (CMC) is added in detergents to

Act as optical brightening agent
Inhibit corrosion in washing machines made of aluminium
None of these
Prevent redeposition of soil on cleaned surface

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Chemical Process
Fat splitting catalyst is

Fe
Al2O₃
CaCO₃
ZnO

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Chemical Process
Insulin is an __________ drug.

None of these
Antibiotic
Anti-malarial
Anti-TB

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