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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 : 15
Calgon used in water treatment is chemically

Sodium phosphate
Sodium hexametaphosphate
Calcium phosphate
Tricresyl phosphate

Question No : 16
Use of chlorine in the treatment of sewage

Helps in grease separation
Increases the biological oxygen demand (BOD)
Causes bulking of activated sludge
Aids in flocculation

Question No : 17
Wet chlorine gas produced during electrolysis of brine is dehydrated by

Spraying 66° Be H2SO4 counter current to the flow of the gas
Passing it through a bed of diatomaceous earth
Passing it through a bed of silica gel
None of these

Question No : 18
Portland cement consists mainly of

CaO & SiO2
SiO2 & Al2O3
CaO & Al2O3
CaO & Fe2O3

Question No : 19
Mannheim furnace is used in the manufacture of

Hydrochloric acid
H2SO4 by Chamber process
Calcium carbide
Corundum

Question No : 20
Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

1 - 2
15 - 20
50 - 60
80 - 85

Question No : 21
Plasticisers are added to paints to

Make it corrosion resistant
Make glossy surface
Give elasticity & prevent cracking of the film
Increase atmospheric oxidation

Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

Exam Name No. Of Q Link
Chemistry set 1 30 Start
Chemistry set 2 30 Start
Chemistry set 3 30 Start
Chemistry set 4 30 Start
Chemistry set 5 30 Start
Chemistry set 6 30 Start
Chemistry set 7 30 Start
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Chemistry set 10 30 Start
Chemistry set 11 30 Start
Chemistry set 12 30 Start