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This is a worksheet on acid and salt reactions and balancing equations for IGCSE . Also the answers are given to provide assistance in solving the equations. These are helpful for the preparation and revision IGCSE chemistry
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Acid and salt reactions
Complete chemical equations for the following equations and include state symbols
1. iron reacting with nitric acid
2. potassium hydroxide and hydrochloric acid
3. magnesium reacting with sulphuric acid
4. sulphuric acid and calcium carbonate
5. ammonium hydroxide and sulphuric acid
6. sodium hydrogen carbonate and nitric acid
7. lead nitrate and sodium chloride
8. nitric acid and copper carbonate
9. barium nitrate and suphuric acid
10.copper oxide and hydrochloric acid
11.magnesium oxide and sulphuric acid
12.nitric acid and ammonium hydroxide
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Answers
1. Fe (s) + 2HNO3 (aq) Fe(NO3)2 (aq) + H2O (l)
2. KOH (aq) + HCl (aq) KCl (aq) + H2O (l)
3. Mg (s) + H2SO4 (aq) MgSO4 (aq) + H2 (g)
4. H2SO4 (aq) + CaCO3 (s) CaSO4 (s) + CO2 (g) + H2O (l)
5. 2NH4OH (aq) + H2SO4 (aq) (NH4)2SO4 (aq) + H2O (l)
6. NaHCO3 (aq) + HNO3 (aq) NaNO3 (aq) + CO2 (g) + H2O (l)
7. Pb(NO3)2 (aq) + 2NaCl (aq) 2NaNO3 (aq) + PbCl2 (s) (precipitation reaction)
8. 2HNO3 (aq) + CuCO3 (s) Cu(NO3)2 (aq) + CO2 (g) + H2O (l)
9. Ba(NO3)2 (aq) + H2SO4 (aq) 2HNO3 (aq) + BaSO4 (s) (precipitation reaction)
10.CuO (s) + 2HCl (aq) CuCl 2 (aq) + H2O (l)
11. MgO (s) + H2SO4 (aq) MgSO4(aq) + H2O (l)
12. HNO3 (aq) + NH4OH (aq) NH4NO3 (aq) + H2O (l)