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Chemical Process

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

Vanadium
Nickel
Alumina
Iron

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Chemical Process
Absorption of SO₃ in 97% H₂SO₄ is

Not possible
Endothermic
None of these
Exothermic

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Chemical Process
Sulphuric acid is mainly used in the __________ industry.

Fertiliser
Steel
Paper
Paint

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Chemical Process
Phthalic anhydride is produced by the oxidation of

Aniline
Toluene
Naphthalene
Benzene

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Chemical Process
Most commonly used rubber vulcanising agent is

Sulphur
Alumina
Bromine
Platinum

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Chemical Process
Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

Dispersion
Emulsification
Wetting
Precipitation

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