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प्रश्न
Name
a metallic hydroxide soluble in excess of NH4OH.
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उत्तर
Cu(OH)2
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An oxide which dissolves in water forming an acid
Give a chemical test to distinguish between the given pairs of chemicals:
Lead nitrate solution and Zinc nitrate solution
Name two bases which are not alkalis but dissolves in strong alkalis.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name the metal hydroxides which are soluble in caustic soda solution.
Give two examples of amphoteric hydroxides.
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
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?
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
