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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
Name
a metallic hydroxide soluble in excess of NH4OH.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Name: A metallic oxide soluble in excess of caustic soda solution.
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.
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Write balanced equations for a metal that evolves into 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.
