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SCIENCE
Paper 2 (Chemistry) - 1997
(One hour and a half)


Question 1
(f) Three test tubes contain calcium nitrate solution, zinc nitrate solution and lead nitrate solution respectively. Each solution is divided into two portions (f) (i) and (f) (ii). Describe the effect of:

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1.

(i) Adding sodium hydroxide solution to each portion in turn, till it is in excess.
 

2.

(ii) Adding ammonium hydroxide to each portion in turn, till it is in excess.
 


 
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