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Chemical Process

Chemical Process
Fish contains about __________ percent oil.

5
20
35
10

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Chemical Process
The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is

Ultraviolet light
Oleum
None of these
Dilute H₂SO₄

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Chemical Process
__________ are added in lacquers to remove film brittleness and to improve adhereness.

Film forming materials
Solvents
Diluents
Plasticisers

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Chemical Process
Anion exchanger is regenerated usually with

Hydrazine
NaOH
H₂SO₄
Alum solution

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Chemical Process
Zeolite is used in the

Development of exposed photographic plate
Water treatment
Glass manufacture
Hydrogenation of fatty oil as a catalyst

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Chemical Process
Rosin soap is added during paper manufacture to

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

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