Group 7: 2P06

Observations:
A white solid is formed. It is salty in taste.

Conclusion: 
An acid reacts with an alkali to produce a salt.

Exercise:
1 (a) hydrochloric acid + sodium hydroxide -> sodium chloride + water
   (b) HCl + NaOH -> NaCl + H2O

2 (a) hydrochloric acid + potassium hydroxide -> potassium chloride + water
   (b) HCl + KOH -> KCl + H2O

3 (a) hydrochloric acid + calcium hydroxide -> calcium chloride + water
   (b) 2HCl + Ca(OH)2 -> CaCl2 + 2H2O

4 (a) nitric acid + sodium hydroxide -> sodium nitrate + water
   (b) HNO3 + NaOH -> NaNO3 + H2O

5 (a) nitric acid + potassium hydroxide -> potassium nitrate + water
   (b)HNO3 + KOH -> KNO3 + H2O

6 (a) nitric acid + calcium hydroxide -> calcium nitrate + water
   (b) HNO3 + Ca(OH)2 -> Ca(NO3)2 + 2H2O

7 (a) sulfuric acid + sodium hydroxide -> sodium sulphate + water
   (b) H2SO4 + 2NaOH -> Na2SO4 + 2H2O

8 (a) sulfuric acid + potassium hydroxide -> potassium sulphate + water
   (b) H2SO4 + 2KOH -> K2SO4 + 2H2O


9 (a) sulfuric acid + calcium hydroxide -> calcium sulphate + water
   (b) H2SO4 + Ca(OH)2 -> CaSO4 + 2H2O

10 (a) hydrochloric acid + ammonia solution -> ammonium chloride + water
     (b) HCl + NH3 -> NH4Cl + H2O
     (c)   - 

11 (a) nitric acid + amonium solution -> ammonium sulphate + water
     (b) HNO3 + NH3. -> NH4NO3 + H2O
     (c)   - 
12 (a) sulphate acid + ammonia solution -> ammonium sulphate + water
     (b) H2SO4 + 2NH3. -> (NH4)2SO4 + 2H2O
     (c)   -