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Chemical Process

Chemical Process
Hydrazine (N₂H₄) is used mainly as a/an

Detergents additive
None of these
Explosive
Rocket fuel

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Chemical Process
Bleaching of paper pulp is done with

Chlorine or chlorine dioxide
Bromine
Activated clay
Magnesium sulphite

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Chemical Process
Which of the following is not produced commercially from sea water?

Bromine
Common salt
Magnesium & potassium compounds
Iodine

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Chemical Process
Paper grade bamboo contains about __________ percent cellulose.

60
20
40
5

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Chemical Process
CaO is called

Slaked lime
Quick lime
Limestone
Calcite

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Chemical Process
Dechlorination of treated water is necessary to

Remove chlorinous taste
Control taste and odour
Reduce the bacterial load on filter
Remove residual turbidity

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