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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 13
16.
Lubricating greases are a mixture of
mineral oil, soap and additives.
mineral oil and metallic soap.
mineral oil and fatty oil.
fatty oil and metallic soap.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Metallic soap is __________ salt of fatty acids.
sodium
potassium
both sodium & potassium
aluminium or calcium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Cation exchanger is regenerated usually with
NaOH
H2SO4
hydrazine
alum solution
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because
SO3 gas is sparingly soluble in water.
water forms an acid mist, which is difficult to absorb.
the purity of acid is affected.
scale formation in the absorber is to be avoided.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Bitterns is a/an
unsaturated fat.
starting material for the production of iodine.
by-product of chlor-alkali industry.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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