Chemical Engineering - Chemical Process

21. 

Which of the following is the main constituent of the mother liquor produced in salt industry ?

A. Quick lime
B. Glauber's salt
C. Salt petre
D. Bromine

Answer: Option D

Explanation:

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22. 

Silicon carbide is a/an

A. adhesive
B. abrasive
C. type of glass
D. brittle material

Answer: Option B

Explanation:

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23. 

Oxygen is produced by fractionation of air using __________ process.

A. Linde's
B. Claude's
C. either (a) or (b)
D. none of these

Answer: Option C

Explanation:

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24. 

Trinitrotoluene (TNT), an explosive, is made by the nitration of

A. nitrobenzene
B. toluene
C. nitrotoluene
D. benzene

Answer: Option B

Explanation:

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25. 

Which of the following is used as a coagulant in treating turbid water ?

A. Chlorine
B. Ferric sulphate
C. Calcium sulphate
D. Activated carbon

Answer: Option B

Explanation:

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