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Chemical Process

Chemical Process
Potassium is kept & transported under

Kerosene oil
Alcohol
Liquid ammonia
Water

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Chemical Process
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

Easy poisoning tendency
All of these
High cost
Fragile nature

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Chemical Process
Chemical formula of 'salt cake' is

CaSO₄
BaSO₄
Na₂SO₄
MgSO₄

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Chemical Process
Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

As a foam depressant in distillation column
As a lubricant
As a rust preventive
In hard water for cleaning of cloth

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Chemical Process
Salt cake is chemically represented by

CaSO₄.1/2 H₂O
Na₂SO₄
MgSO₄
BaSO₄

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Chemical Process
Which of the following is an endothermic reaction?

Absorption of SO₃ in 98% H₂SO₄
Thermal dissociation of iron pyrites
C + H₂O = CO + H₂
Both B and C

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