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प्रश्न
State your observations when barium chloride solution is mixed with sodium sulphate solution.
State one relevant observation for the following:
Barium chloride solution is slowly added to sodium sulphate solution.
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उत्तर
White coloured precipitate of barium sulphate is formed when sodium sulphate is mixed with barium chloride.
\[\ce{Na2SO4_{(dil)} + BaCl2_{(aq)} -> 2NaCl + BaSO4}\]
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संबंधित प्रश्न
Match the salts given in Column I with their method of preparation given in Column II.
| Column I | Column II | ||
| 1 | Pb(NO3)2 from PbO | A | Simple displacement |
| 2 | MgCl2 from Mg | B | Titration |
| 3 | FeCl3 from Fe | C | Neutralization |
| 4 | NaNO3 from NaOH | D | Precipitation |
| 5 | ZnCO3 from ZnSO4 | E | Combination |
Choose the correct answer from the options given below :
Sodium zincate (Na2ZnO2) is
State the colour of the residue formed when nitrate of calcium is strongly heated.
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
What do you understand by amphoteric oxide?
Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. What is the metal ion present in solution A?
When an ammonium hydroxide solution is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide giving an inky blue solution. What is the cation present in solution B?
An amphoteric oxide.
Write a balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
