Chemical Engineering - Chemical Process

6. 

Which of the following is a detergent ?

A. Fatty alcohol
B. Alkyl benzene sulphonate (ABS)
C. Fatty acids
D. Methylene chloride

Answer: Option B

Explanation:

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7. 

Sulphuric acid is mainly used in the __________ industry.

A. fertiliser
B. steel
C. paper
D. paint

Answer: Option A

Explanation:

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8. 

Pick out the wrong statement pertaining to nitric acid.

A. About 90% of nitric acid is manufactured by Ostwald's process.
B. It is a strong mono basic acid which reacts with almost all the metals except noble metals.
C. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2).
D. Arc process of nitric acid manufacture is economical as compared to Ostwald's process.

Answer: Option D

Explanation:

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9. 

Alcohol percentage in molasses may be around

A. 10
B. 40
C. 70
D. 85

Answer: Option B

Explanation:

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10. 

Main use of hydrazine is

A. as a rocket fuel
B. in water treatment
C. as a disinfectant
D. as fire retardant

Answer: Option A

Explanation:

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