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Question
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
Solution
When freshly precipitated aluminum hydroxide reacts with caustic soda solution, whitesalt of sodium meta aluminate is obtained.
\[\ce{Al(OH)3 + NaOH ->\underset{Sodium aluminate}{NaAlO2}+ 2H2O}\]
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