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Question
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
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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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