Advertisements
Advertisements
प्रश्न
Give two examples of amphoteric hydroxides.
Advertisements
उत्तर
Examples of amphoteric hydroxides are: Zn(OH)2, Al(OH)3.
APPEARS IN
संबंधित प्रश्न
Name a weak alkali.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
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 : FeCl3
Name: Two coloured ions
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?
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 a gas which burns with a pop sound when boiled with alkali solutions.
