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Chemical Process

Chemical Process
Pencillin, an antibiotic drug was discovered by

Alexender
Flaming
None of these
Dr. Zivago

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Chemical Process
Phosphoric acid is prepared from

Chalcopyrite
Rock phosphate
Cryolite
None of these

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Chemical Process
Hydrocynic acid (HCN) is used as an insecticide for

Potato beetle
Citrus fruits
Controlling poultry lice
Controlling timber degradation by ants

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Chemical Process
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

Proportional to the square of
Inversely proportional to
Independent of
Directly proportional to

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Chemical Process
Air used in aerobic fermentation must be sterilized, otherwise the

Uniformity of product cannot be achieved
None of these
Recovery of product will be difficult
Contamination of pure culture would result

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Chemical Process
Bio-degradable detergents

Pose problem in sewerage plant
Have an isoparaffinic structure
Should not be used as it spoils the cloth
Can be readily oxidised

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