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Chemical Process

Chemical Process
Conversion of SO₂ to SO₃ in Monsanto 4-pass converter is about __________ percent.

98
80
100
90

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Chemical Process
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Produces high purity (70%) caustic soda directly
Has larger production capacity per unit cell
All of these
Consumes less power per ton of Cl₂ produced

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Chemical Process
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Cutting
Fibrillation
Strengthening
Hydration

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Chemical Process
Which of the following processes is absent in glass manufacturing process?

Shaping or forming
Sintering
Melting
Annealing

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Chemical Process
In premitive days, __________ was being manufactured by Leblanc Process.

Alum
Soda ash
Calcium carbide
Washing soda

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Chemical Process
Main constituent of limestone is

MgCO₃
CaCO₃
Na₂CO₃
CaSO₄

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