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Chemical Process

Chemical Process
Which of the following paper does not require a filler during manufacture?

Coloured paper
Blotting paper
Bond paper
Writing paper

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Chemical Process
Sand and __________ is fused at 1300°C, to produce sodium silicate.

Soda ash
Sodium sulphate
Coke
Limestone

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Chemical Process
Kopper-Totzek coal gasifier

Cannot use coking coal
Is a moving bed reactor
Can give ammonia synthesis gas (H₂ + N₂)
Operate at very high pressure

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Chemical Process
The type of high refractive index glass used in optical instruments is __________ glass.

Crookes
None of these
Flint
Pyrex

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Chemical Process
Catalyst used in the hydrogenation of oil is

Alumina
Platinum
Nickel
Iron

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Chemical Process
Tall oil obtained as a by-product from the black liquor recovery is

Used in the manufacture of greases, emulsions & soaps
All of these
Composed mainly of rosin & fatty acids
A black, sticky & viscous liquid

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