Question
Three test tubes contain calcium nitrate solution, zinc nitrate solution and lead nitrate solution.Describe the effect of Adding sodium hydroxide solution to each portion in turn till it is in excess.

Answer

Sodiurn Hydroxide :
Small amountIn excess
Calcium nitrateWhite precipitate sparingly soluble
Zinc nitrateWhite precipitateSoluble
Lead nitrate White precipitateSoluble

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