Medium INTEGER +4 / -1 PYQ · JEE Mains 2021

In the electrolytic refining of blister copper, the total number of main impurities, from the following, removed as anode mud is ______________

Pb, Sb, Se, Te, Ru, Ag, Au and Pt

Answer (integer) 6

Solution

Anode mud contains Sb, Se, Te, Ag, Au and Pt

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 →