(i) Arrange the following metals in an increasing order of their reactivity towards water: Zn, Fe, Mg, Na.(ii) Arrange the following in increasing order of their oxides to get reduced with carbon: Al, Na, Fe, Cu.(iii) Arrange the following metals in order of decreasing order of their chemical reactivity: Mg, Ca, Cu, Fe, Na, Zn, Pb.

(i) Arrange the following metals in an increasing order of their react

1.	(i) Arrange the following metals in an increasing order of their reactivity towards water: Zn, Fe, Mg, Na.(ii) Arrange the following in increasing order of their oxides to get reduced with carbon: Al, Na, Fe, Cu.(iii) Arrange the following metals in order of decreasing order of their chemical reactivity: Mg, Ca, Cu, Fe, Na, Zn, Pb.
Answer» (i) Arrange the following metals in an increasing order of their reactivity towards water: Zn, Fe, Mg, Na. (ii) Arrange the following in increasing order of their oxides to get reduced with carbon: Al, Na, Fe, Cu. (iii) Arrange the following metals in order of decreasing order of their chemical reactivity: Mg, Ca, Cu, Fe, Na, Zn, Pb.