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CHEMICAL PROCESS

Chemical Process
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

High cost
Easy poisoning tendency
All of these
Fragile nature

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Chemical Process
Synthesis gas is a mixture of

H₂, CH₄ and CO
N₂ and H₂
CO₂ and H₂
CO and H₂

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Chemical Process
Systemic insecticides

Kill insects following external bodily contact
Are stomach poisons
Are absorbed throughout the plant
Emit poisonous vapour

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Chemical Process
__________ is not a constituent of gun powder.

Potassium nitrate
Sulphur
Carbon
Charcoal

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

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

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