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प्रश्न
Name:
a compound containing zinc in the anion
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उत्तर
K2ZnO2
संबंधित प्रश्न
What do you understand by the following:
Reagent
What do you understand by the following:
Precipitation
State what do you observe when:
Sulphur burns.
Choose the correct answer from the options given below :
When dilute sulphuric acid reacts with iron sulphide, the gas evolved is _______
Sodium hydroxide solution is added first in a small quantity, then in excess to the aqueous salt solution of copper (II) sulphate, zinc nitrate, lead nitrate, calcium chloride and iron (III) sulphate. Copy of the following table and write the colour of the precipitate in (i) to (v) and the nature of the precipitate (soluble or insoluble) in (vi) to (x).
|
Aqueous salt solution |
Colour of the precipitate when NaOH is added in small quantity |
Nature of the(soluble or insoluble) when NaOH is added in excess |
|
copper (II) sulphate zinc nitrate lead nitrate calcium chloride Iron (III) sulphate |
(i) (ii) (iii) (iv) (v) |
(vi) (vii) (viii) (ix) (x) |
The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is ______.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
