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प्रश्न
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give a balanced equation.
What is observed on the reaction of aluminium hydroxide with caustic soda solution?
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उत्तर
Adding excess caustic soda solution dissolves the white precipitate to form a clear, colourless solution.
\[\ce{Al(OH)3 + NaOH ->\underset{Sodium aluminate}{NaAlO2} + 2H2O}\]
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution drop wise till it is in excess.
Name the metal hydroxides which are soluble in caustic soda solution.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : Pb(NO3)2
Name: A weak alkali.
Name: Two bases which are not alkalis but dissolve in strong alkalis.
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
State your observation when zinc chloride solution, zinc nitrate solution, and zinc sulphate solutions are added individually to barium chloride solution.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a Metal that Evolves a Gas Which Burns with a Pop Sound When Boiled with Alkali Solutions.
