Metals & Ores — Set 5
Chemistry · धातुएं और अयस्क · Questions 41–50 of 50
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1
Which of the following is a sulfide ore of Copper?
2
Pyrolusite is an ore primarily used for the extraction of?
3
The ore 'Carnallite' is chemically classified as a?
4
Siderite is an iron ore that belongs to which chemical group?
5
Which of the following ores is a significant source of Uranium?
6
The mineral 'Malachite' is easily recognized by its color, which is?
7
Calamine lotion is derived from an ore of which metal?
8
Which of these ores is an oxide of Iron with the highest iron content?
9
Limestone is the primary source of which alkaline earth metal?
10
Monazite sands are famous for containing which energy-related element?