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Chemical Process

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

Explosive
Detergents additive
None of these
Rocket fuel

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Chemical Process
Carboxymethyl cellulose (CMC) is added in detergents to

Prevent redeposition of soil on cleaned surface
Inhibit corrosion in washing machines made of aluminium
None of these
Act as optical brightening agent

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Chemical Process
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?

Al2O₃
FE₂O₃
AgO
ZnCl₂

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Chemical Process
Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

Wetting
Precipitation
Dispersion
Emulsification

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Chemical Process
Zeolite is used in the

Development of exposed photographic plate
Water treatment
Hydrogenation of fatty oil as a catalyst
Glass manufacture

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Chemical Process
DDT should not be allowed to come in contact with iron (during its manufacture) to

None of these
Prevent sulphonation of the monochlorobenzene by the acid catalyst
Avoid its decomposition
Achieve non-hygroscopic property

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