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प्रश्न
Name: Two coloured ions
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उत्तर
Cu2+, Mn2+
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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.
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
Name
a metallic hydroxide soluble in excess of NH4OH.
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 observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO4
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Name: A metallic oxide soluble in excess of caustic soda solution.
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
