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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 13
46.
Which of the following is an ore of iron ?
Galena
Chalcopyrite
Hematite
Bauxite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
NH3
NaCl
CaO
Coke
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
High purity nitrogen is used in
making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils.
fire fighting purposes.
both (a) & (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
coke and sand
brine and coal
coke and caustic soda
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Naphthalene is removed from coke oven gas by
adsorbing on palladium.
absorbing in ethanolamine.
scrubbing with wash oil.
passing it through electrostatic precipitator.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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