Purification And Characterisation Of Organic Compounds Question 108

Question: When lime stone is heated strongly, it gives off $ CO_2 $ . In metallurgy this process is known as

[MP PET/PMT 1988]

Options:

A) Calcination

B) Roasting

C) Smelting

D) Ore dressing

Show Answer

Answer:

Correct Answer: A

Solution:

$ CaCO_3\to CaO+CO_2 $ Heating the ore in absence of air is calcination.