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The ore of a metal is lighter than the i...

The ore of a metal is lighter than the impurities. Which method is suitable for its concentration?

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forth floatation process
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MAXIMUM PUBLICATION-QUESTION PAPER MARCH 2019-EXAMPLE
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  6. The last subshell of an element is 3p and there are 3 electrons in it....

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  8. An iron nail is dipped in CuSO4, solution. (Reactivity order Fe>Cu) ...

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  11. Concentrated Cu2S is converted into oxide by roasting. Write the pro...

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  15. The CHEical equation for the manufacture of ammonia is N2(g)+3H2(g) to...

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  18. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

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