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Chemical Process

Chemical Process
Which of the following is not an insecticide?

Sodium flouride
Nicotine
Hydrocyanic acid
Hexane

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Chemical Process
Magnesium and calcium __________ cause temporary hardness of water.

Phosphates
Carbonates
Bicarbonates
Sulphates

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Chemical Process
Widely used method for the conditioning of boiler feed water is the

Coagulation
Hot-lime soda process
Cold lime process
Sequestration

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Chemical Process
An oil is converted into fat by its

Hydrocracking
Hydration
Hydrolysis
Hydrogenation

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Chemical Process
Viscose rayon is

Regenerated cellulose nitrate
None of these
Cellulose nitrate
Regenerated cellulose acetate

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Chemical Process
Absorption of SO₃ in 97% H₂SO₄ is

Not possible
Endothermic
None of these
Exothermic

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