4 Written Questions

1. soluble
2. insoluble (exception: with alkali metals or NH4^1+ [ammonium])
3. soluble (exceptions: of Ag^1+, Hg2^2+, Pb^2+)
4. soluble (exception: AgC2H3O2 is moderately soluble.)

6 Multiple Choice Questions

1. insoluble (exception: alkali metals, NH4^1+ [ammonium], Ca^2+, Sr^2+ or Ba^2+ will react with water)
   1. O^2- (oxides)
   2. F- (fluorides)
   3. S^2- (sulphides)
   4. OH- (hydroxides)
2. insoluble (exceptions: with alkali metal ions or Ba^2+; Sr(OH)2 and Ca(OH)2 are moderately soluble)
   1. S^2- (sulphides)
   2. F- (fluorides)
   3. OH- (hydroxides)
   4. O^2- (oxides)
3. soluble (exceptions: of Ag^1+. Ca^2+. Sr^2+. Ba^2+, Hg2^2+, Hg^2+, Pb^2+)
   1. CrO4^2- (chromates)
   2. S^2- (sulphides)
   3. SO4^2- (sulphates)
   4. SO3^2- (sulphites)
4. soluble
   1. CO3^2- (carbonates)
   2. ClO3^1- (chlorates)
   3. SO4^2- (sulphates)
   4. CrO4^2- (chromates)
5. insoluble (exception: with alkali metals, NH4^1+ [ammonium], Ca^2+, Sr^2+, Ba^2+)
   1. O^2- (oxides)
   2. S^2- (sulphides)
   3. SO4^2- (sulphates)
   4. SO3^2- (sulphites)
6. insoluble (exception: with alkali metals or NH4^1+ [ammonium])
   1. CrO4^2- (chromates)
   2. SO4^2- (sulphates)
   3. ClO4^1- (perchlorates)
   4. ClO3^1- (chlorates)

5 True/False Question

1. ClO4^1- (perchlorates) → soluble
   

   True        False

2. SO3^2- (sulphites) → insoluble (exception: with alkali metals or NH4^1+ [ammonium])
   

   True        False

3. NH4^1+ (ammonium) → insoluble (exception: with alkali metals or NH4^1+ [ammonium])
   

   True        False

4. HCO3^1- (bicarbonates) → soluble
   

   True        False

5. NO3^1- (nitrates) → soluble
   

   True        False