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Chemical Process

Chemical Process
Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

0.14
1.4
0.94
0.34

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

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

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Chemical Process
Catalytic oxidation of naphthalene produces

Styrene
Phthalic anhydride
Phenol
None of these

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Chemical Process
Blue colour is imparted to glass by the addition of

FeSO₄
PbO
NaOH
CaO

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Chemical Process
Diaphragm electrolytic cell as compared to mercury electrolytic cell

Produces 70% NaOH solution
All of these
Requires lesser investment for similar capacity
Requires less specific power consumption for the production of chlorine

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Chemical Process
Main use of hydrazine is

In water treatment
As a rocket fuel
As fire retardant
As a disinfectant

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