Froth floatation process for concentration of an ore is an application of
After electrolytic refining of a metal, where can we get pure metal in the apparatus?
Smelting is a process in which metal oxides are reduced with
During the electrolytic refining of metals, insoluble impurities are known as
Which of the following gases is produced during calcination?
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Which of the following metals is extracted only by electrolysis?
From which of the following minerals can the metal be extracted profitably?
Which of the following metals is never found in nature as a free element?
The elements or compounds which occur naturally in the earth's crust are known as
Which of the following is/are part(s) of the hydrosphere?a. Lithosphereb. Underground waterc. Atmosp….
Which of the following is/are part(s) of the hydrosphere? a. Lithosphereb. Underground waterc. Atmosphere
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