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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 11
16.
Flux addition during smelting of ore is done to
remove impurities/gangue.
enhance rate of reaction.
accelerate reduction of ore.
separate slag from metal.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Hydrazine is used in water treatment for the removal of
colloidal impurities
dissolved oxygen
turbidity
chlorinous taste
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Direct conversion of chemical energy into electrical energy is done in a
magnetohydrodynamic (MHD) generator.
fuel cell.
fast breeder reactor.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Which of the following is not produced commercially from sea water ?
Magnesium & potassium compounds
Common salt
Bromine
Iodine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Pick out the wrong statement.
Dry process is used for the manufacture of cement, when the raw material is blast furnace slag.
Portland cement is made employing wet process.
Gypsum is added to portland cement to lengthen its setting time.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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