1) Al+Br2→AlBr3 2)Al+HCl→H+AlCl3 3)Fe2O3+H2→H2O+Fe

Question

1) Al+Br2→AlBr3 2)Al+HCl→H+AlCl3 3)Fe2O3+H2→H2O+Fe

Answer 1

1) 2Al+3Br2→2AlBr3

2)  2Al+6HCl→3H2+2AlCl3

3)    Fe2O3+3H2→3H2O+2Fe