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प्रश्न
Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.
उत्तर
\[\ce{ZnO + 2NaOH -> Na2ZnO2 + H2O}\]
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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.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Name: A metallic oxide soluble in excess of caustic soda solution.
Name: Two coloured ions
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
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.
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide to give an inky blue solution. Name the cation present in solution B. What is the probable colour of solution B?
Why the alkali is added drop by drop to the salt solution?
