[" Sulphide ores are common for the "],[" metals "],[" Ag,Cu and "Pb],[" Ag,Cu and Sn "],[" Ag,Mg and Pb "],[" Al,Cu and Pb "]

What is the common oxidation state of Cu, Ag and Au?

The conductivity of metals Al, Ag, and Cu decreases in the order of

The corrent decreasing order of the reactivity of the metals : Fe, Co, Pb, Cu is

How many of the following metals can be extracted by auto - reduction ? Fe, Zn, Pb, Al, Hg, Cu, K, Ca

How many of the following metals can be extracted by auto - reduction ? Fe, Zn, Pb, Al, Hg, Cu, K, Ca

Sulphide ion is soft base and its ores are common for metals (a) Pb (b) Al (c ) Ag (d) Mg Choose the correct answer the from the options given below:

The reactivity of metals Al, Ag and Cu increase in the order of