An element which lies between Al and Pb in the reactivity series
would be expected to _______
1. react with Al when heated
2. liberate H2 from HCl acid
3. displace Na from aq. solution of Na salt
4. form a hydroxide which dissolves in water
It's either 2 or 4...i think it's 2 but not sure. Do give me
your opinion on this question.Thanks