ICSE Class 10 Chemistry 2013 Solved Paper

State two relevant observations for each of the following :

Question : 50 of 84

Marks: +1, -0

Ammonium hydroxide solution is added to zinc nitrate solution in minimum quantities and then in excess.

Solution:

(a) When added in small quantities is forms a gelatinous white ppt.
(b) When added in excess it dissolves to form a complex salt.

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