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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.
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Solution
Sodiurn Hydroxide :
| Small amount | In excess | |
| Calcium nitrate | White precipitate | sparingly soluble |
| Zinc nitrate | White precipitate | Soluble |
| Lead nitrate | White precipitate | Soluble |
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