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Chemical Process

Chemical Process
Setting of plaster of paris is accompanied with

Dehydration
Loss of CO₂
Hydration
Hydrolysis

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Chemical Process
Haemoglobin is a/an

Biological catalyst
Protein
Amino acid
Enezyme

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Chemical Process
Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.

250-300
25
150-200
60-70

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Chemical Process
SO₂ is bubbled through hot sugar cane juice to

Increase the amount of molasses
Act as an acidifying agent
Increase the crystal size
Increase its concentration

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Chemical Process
The main product of high temperature carbonisation of coal is

Phenol
Tar
Ammonia
Coke

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Chemical Process
Permanent hardness of water can be removed by

All of these
Passing it through cation & anion exchangers
Adding alum
Simply boiling

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MORE MCQ ON Chemical Process

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