☰
✕

General Principles And Processes of Isolation Of Elements
Question
Wired Faculty App

State whether the following statements are true (T) or false (F):

A.

Sodium is found in the native state.

B.

Metals can be recovered from their ores by chemical methods.

C.

Metallic sodium is obtained by electrolysis of molten sodium chloride.

D.

In calcination, the ore is heated with calcium.

E.

In electrolytic refining of copper, pure copper is taken as anode.

Answer

A. FALSE
B. TRUE
C. TRUE
D. FALSE
E. FALSE

Sponsor Area

Some More Questions From General Principles And Processes of Isolation Of Elements Chapter

What criterion is followed for the selection of the stationary phase in chromatography?

What is the role of cryolite in the metallurgy of aluminium?

Why is zinc not extracted from zinc oxide through reduction using CO?

What is the role of graphite rod in the electrometallurgy of aluminium?

Predict conditions under which Al might be expected to reduce MgO.

Define the term gangue or matrix.

Define the term flux.

Deine the term slag.

Why magnesium oxide is used for the lining in steel making furnance?