Question

Fe+H2SO4=?
Al+HCI=?
K+H2O=?
BA+H2O=?

Answer 1

2Fe+6H2SO4(конц)=Fe2(SO4)3+3SO2+6H2O
2Al+6HCl=2AlCl3+3H2
2K+2H2O=2KOH+H2
Ba+2H2O=Ba(OH)2+H2