Question

Among the following groups of oxides, the group containing oxides that cannot be reduced by carbon to give the respective metal is

Solution

Correct option is

CaO, K2O

CaO, K2O cannot reduced by carbon reduction method.

SIMILAR QUESTIONS

Q1

Among the following  statements, the incorrect one is

Q2

Load stone is one ore of

Q3

An ore of tin containing FeCrO4 is concentrated by

Q4

One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metal is

Q5

When a metal is to be extracted its ore, if the gangue associated with the ore is silica, then

Q6

Which statement is correct?

Q7

Flux is used to remove

Q8

The final step for the extraction of copper from copper pyrite in Bessemer converter involves the reaction.

Q9

Auto-reduction process is used in the extraction of

Q10

van-Arkel method of purification of metals involves converting the metal to a