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Chemical Process

Chemical Process
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Cutting
Strengthening
Fibrillation
Hydration

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Chemical Process
Chemical formula of BHC, which is an insecticide is

C₆H₄Cl₂
C₆Cl₆
C₆H₅Cl
C₆H₆Cl₆

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

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

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Chemical Process
Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

15 - 20
80 - 85
43832
50 - 60

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Chemical Process
Sodium chloride content in sea water is about __________ gms/litre.

25
10
50
2

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Chemical Process
Portland cement consists mainly of

SiO₂ & Al2O₃
CaO & FE₂O₃
CaO & Al2O₃
CaO & SiO₂

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