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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 7
46.
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
has larger production capacity per unit cell.
consumes less power per ton of Cl2 produced.
produces high purity (70%) caustic soda directly.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
Phosphates
Chromates
Sulphates
Bi-carbonates
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
L.D. converter is used in the production of
pig iron
steel
copper
zinc
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The terminology 'BTX' used in coal tar distillation industry refers to
benzol-toluol-xylol.
benzol-toluene-xylene.
benzene-toluol-xylol.
benzene-toluene-xylene.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Which of the following is not responsible for causing permanent hardness of water ?
Ca(HCO3)2
CaCl2
MgCl2
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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