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Chemical Process

Chemical Process
Sucrose content in cane sugar may be around __________ percent.

95
70
50
80

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Chemical Process
Rosin soap is added during paper manufacture to

Impart adhesive properties
None of these
Impart resistance to penetration by liquids
Improve opacity

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Chemical Process
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?

AgO
FE₂O₃
ZnCl₂
Al2O₃

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Chemical Process
__________ is not a constituent of gun powder.

Potassium nitrate
Carbon
Sulphur
Charcoal

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Chemical Process
__________ paper is used in the manufacture of newsprint paper.

Board
Tissue
Groundwood
Wrapping

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Chemical Process
Coke used for the production of calcium carbide should have

High electrical resistivity
Low ignition temperature
All of these
Low ash content

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