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प्रश्न
Write balanced equation for the following reaction:
Zinc and sodium hydroxide solution
उत्तर
\[\ce{Zn + 2NaOH -> Na2ZnO2 + H2}\]
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संबंधित प्रश्न
Write the probable colour of the following salt:
Calcium salts
Write the probable colour of the following salt:
Iron (III) chloride
Write the probable colour of the following salt:
Ferrous sulphate
Write the probable colour of the following salt:
Aluminium acetate
Name the probable cation present in each of the following solution:
Yellow coloured solution
Name the probable cation present in each of the following solution:
Pink coloured solution
Write the colour of the following salt : Aluminium salts.
Write the colour of the following salt : Ferrous salts.
Write the colour of the following salt : Ferric salts.
The questions (i) to (v) refer to the following salt solutions listed A to F:
- Copper nitrate
- Iron (II) sulphate
- Iron (III) chloride
- Lead nitrate
- Magnesium sulphate
- Zinc chloride
- Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution?
- Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution ?
- Which solution will give a white precipitate, when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
- Which solution becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it ?
- Which solution gives a white precipitate with excess ammonium hydroxide solution?
