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Chemical Process

Chemical Process
All enzymes are made of

Fats
Amino acids
Proteins
Carbohydrates

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Chemical Process
The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

None of these
Avoid mechanical weakening of fibre
Increase the cellulose content
Remove lignin by way of crystallisation

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Chemical Process
Which of the following is used as a coagulant in water treatment?

Chloramine
Hydrogen peroxide
Ferrous sulphate
Chlorine

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Chemical Process
Sulphuric acid saturated with SO₃ is called

None of these
Sulphurous acid
Oleum
Concentrated H₂SO₄

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Chemical Process
Direct conversion of chemical energy into electrical energy is done in a

Magnetohydrodynamic (MHD) generator
Fast breeder reactor
None of these
Fuel cell

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Chemical Process
Neoprene is the trade name of

Polyurathane
Phenol formaldehyde
Styrene-butadiene rubber
Polychloroprene

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