Question

Which statement is incorrect?

Solution

Correct option is

Ore is heated strongly, above is melting point in roasting

Roasting is the process in which the ore is heated strongly below its melting point is presence of air.

SIMILAR QUESTIONS

Q1

In the metallurgical extraction of zinc from ZnO, the reducing agent used is

Q2

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

Q3

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

Q4

Purest form of iron is

Q5

The cyanide process is used for obtaining

Q6

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

Q7

Mond’s process is used for the purification of

Q8

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

Q9

Thermite is a mixture of

Q10

Correct statement is