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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 3
41.
Pick out the wrong statement.
Catalytic hydrogenation of carbon monoxide produces methyl alcohol.
In nylon-6, the number 6 represents the total number of carbon atoms in the ring.
Raw materials for DDT manufacture are benzene and chlorine.
Ethanolamines are produced by using ammonia and ethylene oxide as raw material.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Molecular weights of polymers are in the range of
102 - 102
105 - 109
102 - 107
109 - 1011
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Sulphur removal by heating of pyrite ore in presence of air is called its
reduction
roasting
calcination
smelting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Deacon's method is used for the manufacture of
glauber's salt
common salt
chlorine
graphite electrode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Pick out the true statement pertaining to water treatment.
Slow sand filters can remove colour completely.
Activated carbon can be used for taste & odour control without subsequent filtration.
Application of activated carbon reduces the temporary hardness of water.
Normally, the turbidity is removed by adding a coagulent prior to sedimentation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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