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Chemical Process

Chemical Process
Cellulose percentage in bamboo fibre is about

85
20
50
10

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Chemical Process
Polymethyl methacrylate (PMMA) is known as

Bakelite
Teflon
Nylon-6
Perspex

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Chemical Process
The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Avoid mechanical weakening of fibre
None of these
Increase the cellulose content
Remove lignin by way of crystallisation

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

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

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Chemical Process
Styrene is produced from ethyl benzene by the process of

Alkylation
Dehydrogenation
Oxidation
Dehydration

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Chemical Process
__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Silica/quartz
Dolomite
Coke breeze
Lime powder

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