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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-)
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
Name a metallic oxide soluble in excess of caustic soda solution.
Name a strong alkali.
Name two colourless metal ions.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
Name the metal hydroxides which are soluble in caustic soda solution.
Name: A strong alkali
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
