Easy MCQ +4 / -1 PYQ · JEE Mains 2022

In metallurgy the term "gangue" is used for :

  1. A Contamination of undesired earthy materials. Correct answer
  2. B Contamination of metals, other than desired metal.
  3. C Minerals which are naturally occurring in pure form
  4. D Magnetic impurities in an ore.

Solution

Earthy and undesired materials present in the ore other then the desired metal is known as gangue.

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family

This question is part of PrepWiser's free JEE Main question bank. 300 more solved questions on p-Block Elements are available — start with the harder ones if your accuracy is >70%.

Drill 25 more like these. Every day. Free.

PrepWiser turns these solved questions into a daily practice loop. Chapter-wise drills, full mocks, AI doubt chat. No auto-renew.

Start free →