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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
Fragile nature
All of these

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Chemical Process
Synthesis gas is a mixture of

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

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Chemical Process
Systemic insecticides

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

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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

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

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