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Chemical Process

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

None of these
Rocket fuel
Detergents additive
Explosive

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Chemical Process
__________ is produced by the dehydrogenation of ethyl benzene.

Ethyl alcohol
Phenol
Cumene
Styrene

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Chemical Process
The purpose of tanning in leather industry is to

Smoothen the leather
Make it flexible
Impart water resistance
Stiffen the leather

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Chemical Process
Which of the following is not a food additive?

Invertage
Ammonium chloride
Benzoyl peroxide
Citric acid

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Chemical Process
Na₂CO₃ is called

Soda ash
Plaster of paris
Washing soda
Calcite

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Chemical Process
Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to

Increase the variation in its viscosity with temperature
Reduce the variation in its viscosity with temperature
Reduce its viscosity
Increase its viscosity

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