Chemical Engineering - Chemical Process

6. 

Blue vitriol is chemically

A. copper sulphate
B. ferrous sulphate
C. copper nitrate
D. aluminium sulphate

Answer: Option A

Explanation:

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7. 

Trinitro-toluene (TNT) is

A. used in glycerine manufacture.
B. an explosive.
C. used in dye manufacture.
D. none of these.

Answer: Option B

Explanation:

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8. 

Thorium is mainly used

A. for the manufacture of gas mantles.
B. as a fissile fuel in a nuclear reactor.
C. in the manufacture of hydrogen bomb.
D. in the treatment of cancer.

Answer: Option A

Explanation:

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9. 

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

A. increase the rate of absorption.
B. avoid corrosion.
C. reduce the cooling water circulation rate.
D. none of these.

Answer: Option B

Explanation:

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10. 

Good quality of edible salt is obtained from brine by the process of

A. solar evaporation
B. vacuum evaporation
C. freeze drying
D. electrolysis

Answer: Option B

Explanation:

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