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Chemical Process

Chemical Process
Percentage of alcohol in beer may be around __________ percent.

18-23
1-4
27-32
2-8

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

Precipitation
Wetting
Dispersion
Emulsification

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Chemical Process
Refractory bricks burnt at very high temperature have got

None of these
Greater resistance to corrosion by slags
High spalling tendency
Less resistance to corrosion by slags

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Chemical Process
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Fibrillation
Strengthening
Cutting
Hydration

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Chemical Process
Which of the following is a detergent?

Cellulose nitrate
Benzene hexachloride
Polytetraflouroethylene
Alkyl benzene sulphonate

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Chemical Process
Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and

Phosphoric acid
Sulphuric acid
Hydroflouric acid
Hydrochloric acid

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