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Chemical Process

Chemical Process
Which of the following contains least amount of N₂?

Water gas (blue gas)
Producer gas
Coke oven gas
Blast furnace ga

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Chemical Process
Systemic insecticides

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

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Chemical Process
Zeolite is used in the

Development of exposed photographic plate
Hydrogenation of fatty oil as a catalyst
Glass manufacture
Water treatment

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Chemical Process
Triple superphosphate is manufactured by reacting

Phosphate rock with phosphoric acid
Phosphate rock with nitric acid
Ammonium phosphate with phosphoric acid
Phosphate rock with sulphuric acid

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Chemical Process
__________ iron is the purest form of iron.

Pig
Cast
High silicon
Wrought

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Chemical Process
Ordinary glass is not a/an

Supercooled liquid
Amorphous isotropic material
Material with sharp definite melting point
Electrical insulator

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