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Chemical Process

Chemical Process
Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

10
98
50
25

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Chemical Process
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

Non-availability of high purity mercury
High cost of mercury
Pollution of water stream by mercury
High specific gravity of mercury

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Chemical Process
Catalytic oxidation of naphthalene produces

Phthalic anhydride
Styrene
None of these
Phenol

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Chemical Process
Ethanol amine is produced using ammonia and

Ethylene oxide
Ethanol
Ethane
Ethyl benzene

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Chemical Process
Chalcopyrite is the main ore of

Tin
Copper
Iron
Lead

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Chemical Process
Most widely and commonly used coagulant for the removal of suspended impurities in water is

Alum
Bleaching powder
Slaked lime
Copper sulphate

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