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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 : 43
Vulcanisation of rubber

Decreases its tensile strength
Increases its ozone & oxygen reactivity
Increases its oil & solvent resistance
Converts its plasticity into elasticity
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Question No : 44
Electric bulbs are made of __________ glass.

Jena
Flint
Crookes
Pyrex
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Question No : 45
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

Independent of
Directly proportional to
Inversely proportional to
Proportional to the square of
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Question No : 46
Which of the following is the second major component of cement?

Al2O3
CaO
SiO2
Fe2O3
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Question No : 47
Which of the following fuel gases contains maximum amount of carbon monoxide?

Coke oven gas
Water gas
Blast furnace gas
L.D. converter gas
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Question No : 48
Molecular weight of plastics ranges from

5000 to 10000
20000 to 250000
500 to 5000
106 to 109
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Question No : 49
A 'unit process' is exemplified by the

Distillation
Hydrogenation of oils
Absorption
Humidification
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Chemistry set 1 30 Start
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