Question

установите соответствие между исходними веществами и продуктами реакции 1)HgO+HNO3 2)Al+H2SO4 3)Na2O+CO2+H2O 4) K2O+H3PO4 А^Al2(SO4)3+H2 Б^K3PO4+H2O В^Hg(NO3)2+H2O Г^Na2CO3+H2O

Answer 1

1в 2а 3г 4б `````````````````````````````````````````````````````````

Answer 2

1. HgO + HNO3: В^Hg(NO3)2+H2O
2. Al + H2SO4: А^Al2(SO4)3+H2
3. Na2O + CO2 + H2O: Г^Na2CO3+H2O
4. K2O + H3PO4: Б^K3PO4+H2O