6 Written Questions

1. soluble (exceptions: of Ag^1+, Hg2^2+, Pb^2+)
2. insoluble (exception: with alkali metals or NH4^1+ [ammonium])
3. soluble
4. insoluble (exception: with alkali metals, NH4^1+ [ammonium], Ca^2+, Sr^2+, Ba^2+)
5. insoluble (exception: alkali metals, NH4^1+ [ammonium], Ca^2+, Sr^2+ or Ba^2+ will react with water)
6. soluble (exception: AgC2H3O2 is moderately soluble.)

6 Multiple Choice Questions

1. insoluble (exceptions: with alkali metal ions or Ba^2+; Sr(OH)2 and Ca(OH)2 are moderately soluble)
   1. OH- (hydroxides)
   2. F- (fluorides)
   3. S^2- (sulphides)
   4. O^2- (oxides)
2. soluble
   1. alkali metal ion compounds
   2. CrO4^2- (chromates)
   3. halides
   4. CO3^2- (carbonates)
3. insoluble (exception: with alkali metals or NH4^1+ [ammonium])
   1. HCO3^1- (bicarbonates)
   2. CO3^2- (carbonates)
   3. ClO3^1- (chlorates)
   4. SO4^2- (sulphates)
4. insoluble (exception: with alkali metals or NH4^1+ [ammonium])
   1. OH- (hydroxides)
   2. O^2- (oxides)
   3. S^2- (sulphides)
   4. F- (fluorides)
5. soluble
   1. O^2- (oxides)
   2. NH4^1+ (ammonium)
   3. CO3^2- (carbonates)
   4. CrO4^2- (chromates)
6. soluble (exceptions: of Ag^1+. Ca^2+. Sr^2+. Ba^2+, Hg2^2+, Hg^2+, Pb^2+)
   1. SO4^2- (sulphates)
   2. S^2- (sulphides)
   3. SO3^2- (sulphites)
   4. CrO4^2- (chromates)

5 True/False Question

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

   True        False

2. PO4^3- (phosphates)soluble (exception: with alkali metals or NH4^1+ [ammonium]) → soluble
   

   True        False

3. ClO4^1- (perchlorates) → insoluble (exception: with alkali metals or NH4^1+ [ammonium])
   

   True        False

4. NO3^1- (nitrates) → insoluble (exception: with alkali metals or NH4^1+ [ammonium])
   

   True        False

5. HCO3^1- (bicarbonates) → soluble
   

   True        False