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JEE ADVANCE 2006
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Question
A solution when diluted with $\mathrm{H}_2 \mathrm{O}$ and boiled, it gives a white precipitate. On addition of excess $\mathrm{NH}_4 \mathrm{Cl} / \mathrm{NH}_4 \mathrm{OH}$. the volume of precipitate decreases leaving behind a white gelatinous precipitate. Identify the precipitate which dissolves in $\mathrm{NH}_4 \mathrm{OH} / \mathrm{NH}_4 \mathrm{Cl}$.
Select the correct option:
A
Zn (OH)2
B
Al (OH)3
C
Mg (OH)2
D
Ca(OH)2
✓ Correct! Well done.
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