GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following is the ore of iron?
A
Bauxite
B
Smaltite
C
Haematite
D
Magnetite
Explanation: 

Detailed explanation-1: -Option B. Hematite: It is one of the most abundant minerals found on the surface of Earth and the most important iron ore. It is a popular rock-forming mineral present in sedimentary, igneous and metamorphic rocks at various locations throughout the world. Hence, it is the correct option.

Detailed explanation-2: -Haematite is basically an iron oxide ore with a molecular formula of Fe2O3. Its colour is red, reddish brown to brown, black to steel or silvery grey. This ore is much harder than pure iron but also very brittle.

Detailed explanation-3: -Haematite, magnetite, iron pyrites, etc. are the minerals of iron.

There is 1 question to complete.