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Chemical Process

Chemical Process
Setting of plaster of paris is accompanied with

Hydrolysis
Loss of CO₂
Hydration
Dehydration

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Chemical Process
Zeigler process

Employs very high pressure
Uses no catalyst
Produces low density polyethylene
Produces high density polyethylene

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Chemical Process
Which of the following is not an insecticide?

Hydrocyanic acid
Hexane
Nicotine
Sodium flouride

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Chemical Process
Which of the following is not required in the manufacture of soda ash by Solvay process?

Ammonia
Limestone
None of these
Nitric acid

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Chemical Process
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

None of these
Digestion
Depithing
Bleaching

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Chemical Process
Calcination of gypsum produces

Plaster of paris
Nitre cake
Salt cake
Lime

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