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Chemical Process

Chemical Process
Which of the following is used as a binding material in soap to improve soap texture?

Rosin
Sodium carbonate
Borax
Benzyl acetate

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Chemical Process
The catalyst used in the manufacture of DDT is

Silica
Alumina
Aluminium chloride
20% oleum

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Chemical Process
Triple superphosphate is manufactured by reacting

Phosphate rock with nitric acid
Phosphate rock with sulphuric acid
Phosphate rock with phosphoric acid
Ammonium phosphate with phosphoric acid

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Chemical Process
Potassium is kept & transported under

Water
Alcohol
Liquid ammonia
Kerosene oil

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Chemical Process
The temperature in the calcium carbide furnace is __________ °C.

4000-4500
2000-2200
200-300
700-850

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Chemical Process
Which of the following paper does not require a filler during manufacture?

Blotting paper
Writing paper
Coloured paper
Bond paper

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