Chemical Engineering - Chemical Process

16. 

__________ is produced using polycondensation reaction.

A. Polythene
B. Phenol formaldehyde
C. Poly vinyl chloride
D. none of these

Answer: Option B

Explanation:

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17. 

Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

A. phthalic anhydride
B. vinyl chloride
C. maleic anhydride
D. dacron

Answer: Option B

Explanation:

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18. 

In industrial nomenclature, alcohol means

A. butyl alcohol
B. propyl alcohol
C. ethanol
D. methyl alcohol

Answer: Option C

Explanation:

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19. 

Which of the following is the purest form of water out of the following ?

A. Underground water
B. Rain water
C. Well water
D. Lake water

Answer: Option B

Explanation:

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20. 

Use of water having dissolved oxygen in boilers promotes

A. corrosion
B. sequestration
C. scale formation
D. none of these

Answer: Option A

Explanation:

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