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प्रश्न
Give the equation for the preparation of the following salt from the starting material given.
Copper sulphate from copper (II) oxide
For the preparation of the following salts - give a balanced equation in the following case.
Copper [II] sulphate from copper [II] oxide
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उत्तर
\[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
How is the following salt prepared:
Copper (II) sulphate from copper (II) oxide?
Explain why It is necessary to find out the ration of reactants required in the preparation of sodium sulphate.
State how would you prepare copper (II) oxide from
Copper nitrate
Give equation to prepare the following as directed
PbCO3 from Pb(NO3)
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 equation for the laboratory preparation of sodium sulphate using dilute sulphuric acid.
What is the difference between the chemical nature of an aqueous solution of HCl and an aqueous solution of NH3
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
A is a sodium salt.
The following is a list of methods for the preparation of salts.
A – direct combination of two elements.
B – reaction of a dilute acid with a metal.
C – reaction of a dilute acid with an insoluble base.
D – titration of a dilute acid with a solution of soluble base.
E – reaction of two solutions of salts to form a precipitate.
Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:
Sodium sulphate.
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 ______.
