Metals Nonmetals

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?

The melting point of Aluminum is:

Malachite is a mineral of:

Fools gold is actually:

Which of the following is used in refining copper to remove traces of oxygen?

What is the percentage of Carbon in mild steel?

The metal that forms a protective layer of oxide when exposed to air, but burns in nitrogen to form a nitride is:

The main byproduct in the extraction of iron from the blast furnace is: