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प्रश्न
Name: Two coloured ions
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-)
Name a metallic oxide soluble in excess of caustic soda solution.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
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 : CuSO4
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.
Name a metallic hydroxide soluble in excess of NH4OH.
Why the alkali is added drop by drop to the salt solution?
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
