Advertisements
Advertisements
प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
उत्तर
When a metal oxide is dissolved in water, the solution formed has a high concentration of OH-
APPEARS IN
संबंधित प्रश्न
Name two coloured metal ions.
Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
What do you understand by amphoteric oxide? Give the balanced equations for the reaction with three different amphoteric oxides with a caustic alkali. Write your observation if any.
Give two examples of amphoteric hydroxides.
Name: A strong alkali
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Calcium nitrate solution and zinc nitrate solution.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.