USES OF AL, CU, ZN, AND FE

The number of metals that show passivity with concentrate HNO_(3) among ltbr. Cr, Fe, Ni, Cu, Zn, Al, Ag, Sn

The number of metals that show passivity with concentrate HNO_(3) among ltbr. Cr, Fe, Ni, Cu, Zn, Al, Ag, Sn

How many of these metals can displace H_(2) easily from acids. Fe, Mg, Al, Cu, Ag, Au, Zn

How many of these metals can displace H_(2) easily from acids. Fe, Mg, Al, Cu, Ag, Au, Zn

Which has the highest density ? Al, Mg, Cu, Ni, Fe

Write the names and formulae of main ores of Fe , Cu , Al and Zn .

Write the names and formulate of main ores of Fe , Cu , Al and Zn .

The increasing electrơn releasing tendencies of Cu, Ag, Fe and Zn are in the order: (1)Ag, Cu, Fe, Zn (2)Cu, Ag, Fe, Zn (3)Zn, Cu, Fe, Ag (4)Fe, Zn, Cu, Ag

Arrange the following metals in the order in which. they displace each other from the solution of their salts. Al, Cu, Fe, Mg, and Zn .