Question

Correct statement is

Solution

Correct option is

Van-Aekel method is used for extraction of Zr

van-Arkel method is used to purify metals such as Zr, Ti, V, Th, etc, limestone is basic flux. Dolomite (CaCO3) is an ore of Ca. Willemite (Zn2SiO4) is a silicate ore.

SIMILAR QUESTIONS

Q1

In order to refine blister copper, it is melted in a furnace and is stirred with green logs of wood. The purpose is

Q2

The slag obtained during the extraction of copper from copper pyrites is composed of

Q3

Purest form of iron is

Q4

The cyanide process is used for obtaining

Q5

Of the following, which cannot be obtained by electrolysis of the aqueous solution of their salts?

Q6

Mond’s process is used for the purification of

Q7

Which of the following ore is not concentrated by froth floatation process?

Q8

Thermite is a mixture of

Q9

Which statement is incorrect?

Q10

Which of the following metals cannot be extracted by carbon reduction process?