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Chemical Process MCQ - Multiple Choice Question and Answer

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

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Question No : 1
Bordeaux mixture is a/an

Fertiliser
Inorganic fungicide
Insecticide
Explosive

Question No : 2
Blue colour is imparted to glass by the addition of

FeSO4
PbO
CaO
NaOH

Question No : 3
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

500°C
750°C
1000°C
1500°C

Question No : 4
Penicillin, an antibiotic drug was discovered by

Alexander
Flaming
Doctor Zhivago
None of these

Question No : 5
Fermentation of molasses to produce ethyl alcohol is done at __________ °C.

20 - 30
< - 5
100 - 150
250 - 300

Question No : 6
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

SO3
Cl2
NH3
SO2

Question No : 7
White phosphorous is stored under water, because

It does not react with water
It is poisonous
Its kindling temperature in dry air is very low
It is unstable