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Chemical Process

Chemical Process
Percentage of alcohol in beer may be around __________ percent.

1-4
27-32
18-23
2-8

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Chemical Process
__________ of rubber decreases after its vulcanisation.

Resistance to the action of organic solvent
Maximum service temperature
Tackiness
Tensile strength

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Chemical Process
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

1500°C
1000°C
750°C
500°C

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Chemical Process
Adipic acid is an intermediate in the manufacture of

Polystyrene
Nylon-66
Bakelite
Perspex

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Chemical Process
A mineral is termed as 'ore', if

It contains ≥ 40% metal
The metal present in it is costly
A metal can be economically extracted from it
All of these

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Chemical Process
Oxidation of SO₂ to SO₃ is favoured by

Low temperature and high pressure
High temperature and low pressure
High temperature and high pressure
Low temperature and low pressure

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