Chemical Engineering - Chemical Process

36. 

The process used for the manufacture of ethyl alcohol from molasses is

A. distillation
B. dehydration
C. dehydrogenation
D. none of these

Answer: Option D

Explanation:

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37. 

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

A. 75
B. < 10
C. > 30
D. 50

Answer: Option B

Explanation:

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38. 

Absorption of SO3 in 97% H2SO4 is

A. exothermic
B. endothermic
C. not possible
D. none of these

Answer: Option A

Explanation:

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39. 

__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

A. Solvay
B. Ostwald's
C. Haber's
D. none of these

Answer: Option B

Explanation:

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40. 

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

A. fertiliser manufacture
B. car battery solution
C. synthesis of oleum
D. water treatment

Answer: Option B

Explanation:

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