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Chemical Process

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
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Flocculate the impurities
Neither A nor B
Facilitate fast filtration
Both A and B

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Chemical Process
A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Substrate
Enzyme
Nutrient
None of these

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Chemical Process
Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.

Irreversible
Exothermic
Endothermic
Both B and C

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Chemical Process
Roasting of metallurgical ores is done mainly to

Sinter the ore
Remove CO₂ & H₂O
Dehydrate it
Remove arsenic & sulphur

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Chemical Process
__________ of quicklime produces slaked lime.

Hydrogenation
Hydration
Dehydration
None of these

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