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Chemical Process

Chemical Process
Hydrazine (N₂H₄) is used mainly as a/an

Rocket fuel
None of these
Explosive
Detergents additive

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Chemical Process
Economics of 'Solvay Process' depends upon the efficiency of

Ammonia recovery and size of the plant
Ammonia recovery
Carbonating tower
Ammoniation of salt solution

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Chemical Process
Which is the most efficient absorbant for SO₃ out of the following?

78%H₂SO₄
20% oleum
65% oleum
98%H₂SO₄

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Chemical Process
Permanent hardness of water can be removed by

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

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Chemical Process
Cement setting under water employs a/an __________ process.

Hydration
Decomposition
Oxidation
Reduction

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Chemical Process
Sea water contains about __________ ppm of bromine.

5
70
500
1700

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MORE MCQ ON Chemical Process

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