2
 
 
 
 
[8]    1.a)    Supply the missing name or formula: 
 
 
 
       aluminum(III) hydrogen sulfite            _____________________ 
 
 
       barium perchlorate            _____________________ 
 
 
       _____________________               Ag2S 
 
 
       _____________________               NH
4
HCO3 
 
 
 
b) 
Write a balanced molecular equation and a net ionic equation where  
       appropriate for each of the following reactions.  If no reaction occurs, write  
       no reaction.  Show all phases for the reactants and products. 
 
 
 
i) 
A highly concentrated solution of aqueous ammonia is added dropwise to an 
aqueous solution of copper (II) sulfate. 
 
 
 
 
 
 
 
ii) 
An aqueous solution of  potassium sulfate is poured into an aqueous 
solution of  lead(II) nitrate. 
 
 
 
 
 
 
iii) 
A solid sample of calcium carbonate is strongly heated under vacuum.