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Chemical Process

Chemical Process
Industrial production of chloroform requires acetone and

Ammonium chloride
Chlorine
Calcium hypochlorite
Phosgene

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Chemical Process
Systemic insecticides

Emit poisonous vapour
Kill insects following external bodily contact
Are stomach poisons
Are absorbed throughout the plant

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Chemical Process
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

N₂ & H₂
CO₂ & H₂
CO & H₂
C & H₂

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Chemical Process
Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

Chromium
Copper
Mangnese
Arsenic

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Chemical Process
Chemical formula of 'salt cake' is

BaSO₄
MgSO₄
Na₂SO₄
CaSO₄

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Chemical Process
__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Silica/quartz
Coke breeze
Dolomite
Lime powder

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MORE MCQ ON Chemical Process

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