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Chemical Process MCQ Question with Answer

Chemical Process MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Triple superphosphate is manufactured by reacting

Phosphate rock with phosphoric acid
Phosphate rock with sulphuric acid
Phosphate rock with nitric acid
Ammonium phosphate with phosphoric acid

Question No : 9
Phthalic anhydride is used

In making PVC
As plasticisers
In insecticides manufacture
For making nylon-6

Question No : 10
The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

3
12
22
0.3

Question No : 11
Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Teflon
Bakelite
Polyester
Nylon-66

Question No : 12
Paper grade bamboo contains about __________ percent cellulose.

5
20
40
60

Question No : 13
High temperature carbonisation of coal produces

Inferior coke compared to low temperature carbonisation
Less of gases compared to liquid products
Larger quantity of tar compared to low temperature carbonisation
None of these

Question No : 14
Salt is the basic raw material for the manufacture of

Cement
Glass
Potteries
Caustic soda