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PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -TEST YOUR GRIP (II. FILL IN THE BLANKS)
- The naturally occurring chemical substances in form of which occur in ...
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Playing Now - Minerals from which metals are extracted conveniently and economically...
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Play - The earthly and siliceous impurities which generallty occur with ores...
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Play - The complete of extracting the metal form its ores is called .
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Play - Highly reactive elements occurs in nature instate.
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Play - The most abundant metal in the earth's crust is ………… .
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Play - Calcination is the process of heating the ore strongly in the of air.
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Play - An ore of tin containing FeCrO4 is concentrated by …………. .
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Play - ores are concentrated by froth flotation and roasted in excess of air ...
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Play - involves treating the powdered ore with a suitable reagent which selec...
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Play - Sodium cyanide solution is used to extract or from its ores.
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Play - Flux combines the infusible impurities to form.
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Play - acts as an acidic flux whileacts as a basic flux.
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Play - In the metallurgy of copper, the flux used to remove the basic impurit...
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Play - During extraction of iron from haematite, the flux used is .
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Play - ………… involves reduction of metal oxide with coke or carbon monox...
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Play - …………..is the purest form of iron.
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