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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 4
11.
Which of the following is not an insecticide?
Hydrocyanic acid
Nicotine
Sodium flouride
Hexane
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Shrinkage volume in cement setting does not depend upon the
sand to cement ratio.
water to cement ratio.
ambient temperature fluctuation.
drying period.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Bisphenol A is produced by the condensation of acetone with
formaldehyde
ethyl alcohol
diethyl ether
phenol
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
sodium sulphide & sodium carbonate.
sodium sulphite & sodium carbonate.
sodium sulphite & sodium sulphide.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Presence of carbonaceous matter in the sewage
causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures.
reduces sulphate ions to sulphides causing obnoxious smell.
increases the quantity of chlorine used for its purification.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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