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State your observation in the following ...

State your observation in the following case:
When excess sodium hydroxide is added to calcium nitrate solution.

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(i) A milky white precipitate is obtained when sodium hydroxide is added to calcium nitrate solution. The precipitate is insolube in excess of sodium hydroxide .
`Ca(NO_(3))_(2) + 2NaOH + 2NaOH to Ca(OH)_(2) + 2NaNO_(3)`
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