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प्रश्न
Give the equation for the preparation of the following salt from the starting material given.
Potassium sulphate from potassium hydroxide solution
For the preparation of the following salts - give a balanced equation in the following case.
Potassium sulphate from KOH solution
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उत्तर
\[\ce{2KOH + H2SO4 ->[Temp.above][200^\circ C] K2SO4 + 2H2O}\]
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
How is the following salt prepared:
Lead carbonate from lead nitrate.
Explain why fused calcium chloride is used in the preparation of FeCI3?
State how would you prepare copper (II) oxide from
copper sulphate
Give equation to prepare the following as directed
MgCO3 from MgCl2
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 equations for the reaction to prepare lead sulphate from lead carbonate.
Match the salts given in Column I with their method of preparation given in Column II:
| Column I | Column II | ||
| (i) | Pb(NO3)2 from PbO | (a) | Simple displacement |
| (ii) | MgCl2 from Mg | (b) | Titration |
| (iii) | FeCl3 from Fe | (c) | Neutralization |
| (iv) | NaNO3 from NaOH | (d) | Precipitation |
| (v) | ZnCO3 from ZnSO4 | (e) | Combination |
State the inference drawn from the following observation:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide Identify S.
Fill in the blanks with suitable words:
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions. A base is a compound which is soluble in water and contains ______ ions. A base reacts with an acid to form a ______ and water only. This type of reaction is known as ______.
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 ______.
