Advertisements
Advertisements
प्रश्न
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Advertisements
उत्तर
PbO
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.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give a balanced equation.
Name a metallic hydroxide soluble in excess of NH4OH.
Name: A strong alkali
Name: Two coloured ions
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.
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 equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
