Chemical Engineering - Chemical Process
Exercise :: Chemical Process - Section 5
| 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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