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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
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
Name two bases which are not alkalis but dissolves in strong alkalis.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
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 metallic oxide soluble in excess of caustic soda 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.
State your observation when zinc chloride solution, zinc nitrate solution, and zinc sulphate solutions are added individually to barium chloride solution.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
