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
lumps
pellets
briquettes
sinter
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
Corrosion is
a physical phenomenon.
a chemical phenomenon.
same as erosion.
an uncontrollable phenomenon.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
Which of the following is not an ore of copper?
Cryolite
Azurite
Chalcopyrite
Malachite
Answer: Option
Explanation:
No answer description is available. Let's discuss.