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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 2
11.
Free alkali in a toilet soap is __________ that in a laundary shop.
less than
more than
same
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Dehydrogenation of isopropanol produces
propyl alcohol
acetone
trichloroethylene
formaldehyde
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Pick out the wrong statement.
Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action.
Soap powder is prepared by mixing soap with hydrated sodium carbonate.
Detergents differ from soaps in their action in hard water.
Tarnish inhibitor (e.g., benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Concentration of hydrogen peroxide is done by
crystallisation
vacuum crystallisation
atmospheric distillation
dehydration
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Helium is produced on commercial scale from
air
natural gas
coke oven gas
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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