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प्रश्न
Give the preparation of the salt given in the left column by matching with the methods given in the right column. Write balanced equations for each preparation.
| Salt | Method of Preparation |
| Zinc sulphate | Precipitation |
| Ferrous sulphide | Displacement |
| Barium sulphate | Neutralization |
| Sodium sulphate | Synthesis |
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उत्तर
| Salt | Method of Preparation |
| Zinc sulphate | Displacement |
| Ferrous sulphide | Synthesis |
| Barium sulphate | Precipitation |
| Sodium sulphate | Neutralization |
i) Preparation of Zinc Sulphate by displacement method:
Zn + H2SO4 → 2ZnSO4 + H2
ii) Preparation of Ferrous sulphide by synthesis method:
Fe + S → FeS
iii) Preparation of Barium sulphate by precipitation method:
BaCI2 + H2SO4 → BaSO4 + 2HCI
iv) Preparation of Sodium sulphate by neutralization method:
2NaOH + H2SO4 → Na2SO4 + 2H2O
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संबंधित प्रश्न
How is the following salt prepared:
Magnesium carbonate from magnesium chloride.
Describe giving all practical details, how would you prepare:
lead sulphate from metallic lead.
State how would you prepare copper (II) oxide from
copper sulphate
Some methods used for the laboratory preparation of salts are:
(a) Metal + acid
(b) Carbonate + acid
(c) Precipitation
(d) Direct combination
(e) Titration
Copy and complete the following table :
| Salt | Method of Preparation |
| Ammonium Sulphate | |
| Calcium carbonate | |
| Iron (III) chloride | |
| Lead nitrate | |
| Zinc sulphate |
Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphate
Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
Match the salts underlined in Column A with the most suitable method of preparation given in Column B.
| Column A | Column B | ||
| (a) | \[\ce{ZnCl2 \text{from} Zn}\] | 1. | Precipitation |
| (b) | \[\ce{KNO3 \text{from} KOH}\]. | 2. | Direct combination |
| (c) | \[\ce{CaCO3 \text{from} CaCl2}\]. | 3. | Displacement reaction |
| 4. | Neutralization |
Select the word/s given which are required to correctly complete the blanks.
When solution M and O are mixed together, the products will be ______ and ______.
