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Chemical Process

Chemical Process
__________ iron is the purest form of iron.

Wrought
Pig
Cast
High silicon

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Chemical Process
'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Fibrillation of fibre
Hydration of fibres
Final rolling out of paper
Cutting of fibres

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Chemical Process
White phosphorous is stored under water, because

It does not react with water
It is poisonous
It is unstable
Its kindling temperature in dry air is very low

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Chemical Process
Sodium carbonate (soda ash) is not used in the manufacture of

Detergents
Baking powder
Fire extinguishers
Sugar

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Chemical Process
Thermosetting materials

Soften on application of heat
Are cross-linked molecules
None of these
Are solvent soluble

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Chemical Process
Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

Carbohydrate
Callagen
Tannin
Molasses

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