Leaching can be used for the extraction of which metals
(i) Pb (ii) Al (iii) Ag (iv) Au

Leaching can be used for extraction of

Leaching can be used for extraction of

Leaching is used for which metal/s ?

Leaching is used for which metal/s ?

Mac-Arthur Forest cyanide process is used in the exteraction of (i) Cu (ii) Ag (iii) Au (iv)Pt

…………………… process is used for the extraction of Ag and Au.

Which of the following metals exist in their native state in nature ? (i) Cu (ii) Au (iii) Zn (iv) Ag

Which fo the following metals cannot deplace hydrogen from nonoxidizing acids ? (i) Au" " (ii) Pt (iii) Ag" " (iv) Cu

Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining? (i) Ag (ii) Cu (iii) Na (iv) Mg