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Chemical Process

Chemical Process
Sugar content in sugarcane on cane basis is about __________ percent by weight.

15 to 20
5 to 10
1 to 5
20 to 30

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Chemical Process
'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Final rolling out of paper
Cutting of fibres
Hydration of fibres
Fibrillation of fibre

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Chemical Process
DDT should not be allowed to come in contact with iron (during its manufacture) to

Prevent sulphonation of the monochlorobenzene by the acid catalyst
Achieve non-hygroscopic property
Avoid its decomposition
None of these

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Chemical Process
Setting of plaster of paris is accompanied with

Loss of CO₂
Dehydration
Hydration
Hydrolysis

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Chemical Process
Ordinary glass is not a/an

Electrical insulator
Amorphous isotropic material
Supercooled liquid
Material with sharp definite melting point

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Chemical Process
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

High electrical insulation properties
Low co-efficient of thermal expansion
Compressive strength much greater than their tensile strengths
Sharp melting points

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