Chemistry
From the substances given in the list below, write the equations for the reactions by which you could obtain the compounds given ahead :
| Dilute sulphuric acid | sodium carbonate |
| Zinc | sodium sulphite |
| Lead | calcium carbonate |
- hydrogen,
- sulphur dioxide,
- carbon dioxide,
- zinc carbonate (two steps required).
Acids Bases Salts
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Answer
Equations for the reactions are :
Zn + H2SO4 ⟶ ZnSO4 + H2↑
Na2SO3 + 2HCl ⟶ 2NaCl + H2O + SO2↑
Na2CO3 + H2SO4 Na2SO4 + H2O + CO2↑
Zn + H2SO4 ⟶ ZnSO4 + H2↑
ZnSO4 + Na2CO3 ⟶ Na2SO4 + ZnCO3
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State your observation : zinc granule are added to copper sulphate solution.
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