Advertisements
Advertisements
प्रश्न
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
Advertisements
उत्तर
|
Name of solution |
Soluble metal hydroxides |
Insoluble metal hydroxides |
|
Caustic soda solution |
Zn(OH)2 Pb(OH)2 |
Fe(OH)3 |
|
Ammonium hydroxide solution |
Zn(OH)2 Cu(OH)2 |
Fe(OH)3 Fe(OH)2 |
संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
Name a weak alkali.
Name two colourless metal ions.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO4
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
Why the alkali is added drop by drop to the salt solution?
Write balanced equations for a metal that evolves 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.
