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प्रश्न
Name two coloured metal ions.
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उत्तर १
Fe2+, Mn2+
उत्तर २
Cupric (Blue) [Cu2+], Ferric (Yellow) [Fe3+]
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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]
An oxide which dissolves in water forming an acid
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 : FeCl3
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.
Why the alkali is added drop by drop to the salt solution?
State your observation when zinc chloride solution, zinc nitrate solution, and zinc sulphate solutions are added individually to barium chloride solution.
Write balanced equations for a metal that evolves 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.
