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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 3
1.
DDT stands for
diethyl-diphenyl-trichloromethane.
dichloro-diphenyl-trichloromethane.
diphenyl-dichloro-trichloromethane.
dichloro-diphenyl-trichloroethane.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Phosphoric acid is prepared from
cryolite
chalcopyrite
rock phosphate
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
as a lubricant.
as a rust preventive.
in hard water for cleaning of cloth.
as a foam depressant in distillation column.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda ?
Diaphragm electrolytic cell process
Mercury electrolytic cell process
Lime-soda process
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Bleaching action of bleaching powder is due to its __________ properties.
reducing
oxidising
disinfecting
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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