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Chemical Process

Chemical Process
Fish contains about __________ percent oil.

5
10
35
20

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Chemical Process
Dechlorination of treated water is necessary to

Remove chlorinous taste
Remove residual turbidity
Control taste and odour
Reduce the bacterial load on filter

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Chemical Process
Naphthols are derivates of

Naphthalene
Xylene
Phenol
Methyl amine

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

FE₂O₃
Al2O₃
AgO
ZnCl₂

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Chemical Process
Bio-degradable detergents

Can be readily oxidised
Pose problem in sewerage plant
Have an isoparaffinic structure
Should not be used as it spoils the cloth

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Chemical Process
Basic oxide is absent in __________ glass.

Pyrex
Flint
All of these
Quartz

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