Question

Refractory materials are generally used in furnaces because

Solution

Correct option is

They can withstand high temperature

Refractory materials are the substances which can withstand very high temperature without melting or becoming salt.

SIMILAR QUESTIONS

Q1

Metal occur in the native from because of their

Q2

Sulphide ores are generally concentrated by

Q3

The substance added in water in the froth floatation process is

Q4

Cyanide process is used in the extraction of

Q5

Froth floatation process for the concentration of the ores is an illustration of the practical application of

Q6

Bauxite ore is concentrated by

Q7

Froth floatation method is successful in separating impurities from ores because

Q8

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

Q9

In the metallurgy of iron, when CaCO3 is added to blast furnace, calcium ion appears as

Q10

Main function of roasting is