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Chemical Process

Chemical Process
Chemical formula of oleum is

H₂S₂O₇
H₂SO₄
H₂SO₇
H₂SO₃

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Chemical Process
Yeast is used in the manufacture of

Pasteurised milk
Wine
Pencillin
Antibiotics

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Chemical Process
Calcination of gypsum produces

Lime
Nitre cake
Plaster of paris
Salt cake

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Chemical Process
Main product in calcium carbide-water reaction is

CO₂
C₂H₂
CaCO₃
Ca(OH)₂

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

Dolomite
Silica/quartz
Lime powder
Coke breeze

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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.

Mangnese
Chromium
Arsenic
Copper

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MORE MCQ ON Chemical Process

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