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Chemical Process

Chemical Process
__________ iron is the purest form of iron.

High silicon
Pig
Cast
Wrought

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Chemical Process
Enamels

Are prepared from non-drying oil
Give good glossy finish
Do not contain pigment
Are same as varnish

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Chemical Process
Glass is

Subjected to galvanising
All of these
Mainly CaO
A super cooled liquid

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Chemical Process
Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of

100 kgi/cm² & 500°C
10 kgf/cm² & 1000°C
40 kg/cm² & 200°C
4 kgf/cm² & 500°C

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Chemical Process
In the Lurgi coal gasifier

Entrainment of solids is higher
Large quantity of coal can be processed
Low carbon conversion efficiency is achieved
Coking coals cannot be used

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Chemical Process
Which of the following is not an antibiotic?

Quinine
Streptomycin
Tetracyclin
Penicillin

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