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Question
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO4
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Solution
Addition of caustic soda to ZnSO4 solution:
\[\ce{ZnSO4 + 2NaOH ->\underset{\text{White gelatinous ppt.}}{Zn(OH)2 v + Na2SO4}}\]
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