Home
Class 11
CHEMISTRY
Pure alumina is...

Pure alumina is

A

a good conductor of electricity

B

a bad conductor of electricity

C

volatile in nature

D

an electrovalent compound

Text Solution

Verified by Experts

The correct Answer is:
B
Pure alumina is a bad conductor of electricity so cryolite is added during electrolysis to make it good conductor.
Promotional Banner

Topper's Solved these Questions

  • THE BORON FAMILY

    DINESH PUBLICATION|Exercise RQ(Revision Questions From Competitive Exams.)|102 Videos

  • THE BORON FAMILY

    DINESH PUBLICATION|Exercise Selected Straight Objective Questions MCQs|20 Videos

  • THE ALKALI METALS

    DINESH PUBLICATION|Exercise ULTIMATE PREPARATORY PACKAGE|19 Videos

Similar Questions

Explore conceptually related problems

Describe the role of (i) NaCN in the extraction of gold from its ore. (ii) Cryolite in the extraction of aluminium from pure alumina (iii) CO in the purification of Nickel.

Write the role of : (i) NaCn in the extraction of gold from its ore. (ii) Cryolite in the extraction of aluminium from pure alumina. (iii) Co in the purification of Nickel.

Extraction of aluminium form alumina is done by _____.