Question

Which of the following is a non- metallic mineral?
(A) Hematite
(B) Pyrite
(C) Bauxite
(D) Dolomite

Answer 1

Answer:

(D) Dolomite

Hematite and Pyrite are Ores of Iron while Bauxite is a ore of Aluminium

Answer 2

‘Dolomite’ is a non-metallic mineral.

Option: D

Explanation:

• The ‘non-metallic minerals’ are those ‘minerals’ that do not contain any metals.  

• This ‘minerals’ are used in ‘different industries’ for the manufacturing of various products.  

• They are normally found in ‘sedimentary rocks’ and are not as hard as the minerals containing metals.  

• ‘Dolomite’ is used as a ‘source for magnesia’ and is used in the ‘chemical industry’ for acid neutralization.