All minerals are not ....

All minerals are not ___________.

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CHHAYA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE (Fill in the blanks )

All minerals are not .
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Highly reactive metals are found to occur in nature in the state.
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The most abundant metal in the earth's crust is .
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Calcination is important for ores.
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Neutral slag reduces the of the ore.
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The ore of tin containing FeCrO(4) is concentrated by .
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Name the reducing agent that is used in the thermite process?
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is used as a flux to remove SiO(2) (gangue).
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The most pure iron is .
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The highly electropositive metals like Na, Mg or Al are extracted by .
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electrode is used as anode in the electrolysis of Al(2)O(3).
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Low melting metals like lead and tin are purified by .
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is used in purification of nickel by Mond process.
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The slag obtained from blast furnace mainly contains .
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Mg reduces Al(2)O(3) below .
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Metals of very high purity are produced by method.
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The metals used in space technology are purified by method.
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Froth-floatation is used for concenrating ores.
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solution is used for the extraction of silver and gold from their ores...
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In the extraction of iron, acts as a reducing agent in the upper regi...
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