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प्रश्न
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
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उत्तर
ppt. of lead hydroxide is observed
`Pb(NO_3)_2 + 2NH_4OH -> Pb(OH)_2 + 2NH_4NO_3`
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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.
Name a weak alkali.
Name two coloured metal ions.
Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Name two bases which are not alkalis but dissolves in strong alkalis.
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 weak alkali.
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
