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प्रश्न
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
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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.
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
Name two coloured metal ions.
Name the metal hydroxides which are soluble in caustic soda solution.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Why the alkali is added drop by drop to the salt solution?
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
