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Chemical Process

Chemical Process
Litharge is

Cellulosic photographic material
Zinc sulphide
Zinc oxide
Lead oxide

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Chemical Process
Which of the following processes can remove both temporary as well as permanent hardness of water?

Boiling
Filtration
None of these
Distillation

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Chemical Process
Bromine is used in the preparation of

Fire extinguishing compounds
Fire proofing agents
Dyes and antiknock compounds
All of these

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Chemical Process
Synthesis gas is a mixture of

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

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Chemical Process
Dichloro diphenyl __________ is the full form of DDT (an insecticide).

Trichloroethane
Tetrachloroethane
Trichloromethane
Tetrachloromethane

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Chemical Process
Which of the following is an explosive?

Nitroglycerene
All of these
Trintrotoluene (TNT)
Cellulose nitrate

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