JEE Main 2022 · 29 Jul · Shift 1 · Chemistry Q65

ChemistrySingle correct+4 / -1Question 65 of 90

In metallurgy the term "gangue" is used for :

Contamination of undesired earthy materials.

Contamination of metals, other than desired metal.

Minerals which are naturally occuring in pure form

Magnetic impurities in an ore.

Answer and worked solution

Official answer: A

Gangue is the earthy, rocky matter (sand, clay) mixed with the ore.

(A)

Topics:Concentration of ores

JEE Main 2022 · 29 Jul · Shift 1, Chemistry question 65