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Chemical Process

Chemical Process
Chemical formula of oleum is

H₂S₂O₇
H₂SO₇
H₂SO₃
H₂SO₄

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Chemical Process
Maleic anhydride is produced by catalytic oxidation of

Naphthalene
Benzene
Ethyl alcohol
Toluene

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Chemical Process
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

Iron
Nickel
Alumina
Vanadium

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Chemical Process
Yeast is used in the manufacture of

Pasteurised milk
Wine
Antibiotics
Pencillin

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Chemical Process
Catalyst used in the hydrogenation of oil is

Iron
Alumina
Platinum
Nickel

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Chemical Process
Prussian blue is chemically represented by

FeO.TiO₂
AlF₃ . 3NaF
Ca SO₄ . 2H₂O
Fe₄ [Fe (CN₆)₃]

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