In the metallurgical process of aluminium,cryolite $(Na_3AlF_6)$ is mixed with alumina $(Al_2O_3)$ in its molten state,because it

  • A
    decreases the amount of alumina
  • B
    oxidises the alumina
  • C
    increases the melting point of alumina
  • D
    decreases the melting point of alumina

Explore More

Similar Questions

Explain the extraction of elements by oxidation.

Which of the following metals is not obtained by electrolysis?

The substance used in the thermite process of reducing metal ores is

The maximum temperature $1550$ $^oC$ is obtained in the ......... region of the blast furnace used in the extraction of iron.

In the extraction of copper from copper pyrites,iron is removed as

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo