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Chemical Process

Chemical Process
Hydrazine is used in water treatment for the removal of

Dissolved oxygen
Chlorinous taste
Turbidity
Colloidal impurities

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Chemical Process
Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

Dispersion
Precipitation
Wetting
Emulsification

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Chemical Process
Caprolactum (a raw material for nylon-6 manufacture) is produced from

Pyridine
Naphthalene
Phenol
Benzene

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Chemical Process
Oils and fats are converted to soap in a process called

Esterification
None of these
Hydrogenation
Saponification

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Chemical Process
Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Bakelite
Teflon
Nylon-66
Polyester

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Chemical Process
'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Hydration of fibres
Final rolling out of paper
Fibrillation of fibre
Cutting of fibres

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