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प्रश्न
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
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उत्तर
The reaction of freshly precipitated aluminium hydroxide with caustic soda solution is as :
\[\ce{Al(OH)3 + NaOH ->\underset{\text{Sodium aluminate (White)}}{NaAlO2 + 2H2O}}\]
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संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
A basic oxide.
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
Name a metallic oxide soluble in excess of caustic soda solution.
Name a strong alkali.
Name two colourless metal ions.
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide 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 the chloride of a metal which is soluble in excess of ammonium hydroxide.
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
