Solve ques 2

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ii) Calcium nitrate reacts with NaOH to produce calcium hydroxide and sodium nitrate
Ca(NO3)2 + 2NaOH ---> Ca(OH)2 +2NaNO3.
The precipitate of calcium hydroxide is white in colour.

Pb(NO3)2 reacts with NaOH to form  lead hydroxide and sodium nitrate
Pb(NO3)2 + 2NaOH ---> Pb(OH)2 + 2NaNO
The precipiate of lead hydroxide is blue in colour.



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