Question Bank

What is 'Blister Copper'?

In the Hall-Heroult process, the cathode is made of:

The composition of Bronze used for making statues is roughly:

Which of the following reacts with hot concentrated NaOH to give hydrogen gas?

Which metal can be extracted from its ore by heating with Carbon?

Matte, obtained during copper extraction, contains:

The chemical formula of Azurite (a copper ore) is:

In the extraction of Aluminum, what is the purpose of Fluorspar (CaF2)?

The percentage of Iron in Limonite is approximately:

Which iron ore is also known as 'Brown Hematite'?

Which process is used to refine Silver?

What is the specific gravity of Aluminum?

The iron obtained from the Blast Furnace is called:

Blue Vitriol is the common name for:

Which of the following is used as a flux in the extraction of Copper?

Density of Iron is approximately:

The reaction of Iron with steam produces:

Which of the following describes 'Bessemerization'?

A metal 'X' forms a basic oxide but is not displaced by zinc from its salt solution. 'X' could be:

What is the byproduct of the reaction between Alumina and Carbon in the electrolytic cell?