Question

which process is reduction in nature ?
A. grinding
B. Roasting
C. Smelting
D. Flotation

Answer 1

Answer:

The correct answer is B. Roasting.

Explanation:

• Reduction roasting is the process of removing oxygen from a part of ore, typically using carbon monoxide (CO).
• Typically, the CO is fed either independently or in a mixture with a carbonaceous substance like coal or coke.
• A hematite-containing substance is reduced and roasted to create magnetite that can be magnetically isolated.

#SPJ3