List of top Chemistry Questions on Metallurgy asked in Bihar Board XII

What do you understand by concentration of an ore? Discuss the different methods of concentration of ores.

What is slag?

The process of purification of metal represented by the following equation is called \[ \text{Ti} + \text{I}_2 \xrightarrow{773\,K} \text{TiI}_4 \xrightarrow{1675\,K} \text{Ti} + \text{I}_2 \]

Which of the following metals is not obtained by electrolysis?

Impurities present in an ore are called

The process of smelting involves reduction of metal oxide with

Write the names and formulae of two ores of iron.

Why is cryolite ore used during the extraction of Al metal?

How are metals refined by Bessemerisation?

What is slag?

Nobel gases have comparatively large atomic radius. Why?

The process of reduction of a metal oxide by carbon or carbon monoxide to the metal is called

Cyanide process is used for the extraction of which of the following metals?

The important oxide ore of iron is