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
Remove lignin by way of crystallisation
Avoid mechanical weakening of fibre
Increase the cellulose content

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Chemical Process
Oil is a/an

Mixture of glycerides of fatty acids
Solid at normal temperature
Mixture of glycerides
Ester of alcohols other than glycerine

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Chemical Process
Enzymes are

Catalyst for temperature sensitive reactions
All of these
Derived from living organisms
Proteins with high molecular weight (around 10, 000)

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