a)F2+H2=2FHб)Ca+Н2=СаН2в)Al2O3+3H2= 2Al+3H2O
г)HgO + H2 = H2O + Hg
д)WO3 + 3H2 = W + 3H2O
a)H2+F2=2HF
b)H2+Ca= CaH2
a)F2+H2=2FH
б)Ca+Н2=СаН2
в)Al2O3+3H2= 2Al+3H2O
г)HgO + H2 = H2O + Hg
д)WO3 + 3H2 = W + 3H2O
a)H2+F2=2HF
b)H2+Ca= CaH2