Metals & Ores — Set 4
Chemistry · धातुएं और अयस्क · Questions 31–40 of 50
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1
Hematite is a widely used ore for which metal?
2
Which ore is used to extract the metal Mercury?
3
Copper Pyrites (Chalcopyrite) is a significant ore of?
4
Bauxite must be refined to produce which intermediate substance?
5
Magnetite is characterized by which of the following properties?
6
Which metal is typically extracted from 'Galena'?
7
The ore 'Cassiterite' is the world's main source of?
8
Which of the following is the chief ore of Zinc?
9
Argentite is commonly referred to by which other name?
10
Dolomite is an important industrial mineral containing?