Chemical Engineering - Chemical Engineering Basics

21. 

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

A. lumps
B. pellets
C. briquettes
D. sinter

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

22. 

Corrosion is

A. a physical phenomenon.
B. a chemical phenomenon.
C. same as erosion.
D. an uncontrollable phenomenon.

Answer: Option B

Explanation:

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23. 

Which of the following is not an ore of copper?

A. Cryolite
B. Azurite
C. Chalcopyrite
D. Malachite

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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