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Chemical Process

Chemical Process
__________ is not a constituent of gun powder.

Charcoal
Carbon
Potassium nitrate
Sulphur

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Chemical Process
Carborundum consists mainly of

Bauxite
Calcium carbide
Boron carbide
Silicon carbide

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Chemical Process
A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

1
10
25
40

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Chemical Process
Concentration of sulphide ores is done usually by

Roasting
Froth floatation
Electro magnetic separation
Smelting

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Chemical Process
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Non-drying
None of these
Drying
Semi-drying

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Chemical Process
__________ is produced using polycondensation reaction.

None of these
Poly vinyl chloride
Phenol formaldehyde
Polythene

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