Give examples of reactions that are expressed by the schemes: 1) acid + metal oxide – salt +
| September 9, 2021 | education
Give examples of reactions that are expressed by the schemes: 1) acid + metal oxide – salt + water 2) metal oxide + hydrogen – metal + water
1) H2SO4 + MgO => MgSO4 + H2O;
2HCl + ZnO => ZnCl2 + H2O;
2HNO3 + CaO => Ca (NO3) 2 + H2O;
exchange reactions.
2) Fe2O3 + 3H2 => 2Fe + 3H2O;
WO3 + 3H2 => W + 3H2O;
PbO + H2 => Pb + H2O;
substitution reactions.
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