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प्रश्न
Name: Two coloured ions
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उत्तर
Cu2+, Mn2+
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संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
Choose the most appropriate answer from the following list of oxides which fit the description
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
Name a strong alkali.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
Name: Two bases which are not alkalis but dissolve in strong alkalis.
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
Why the alkali is added drop by drop to the salt solution?
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
