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प्रश्न
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:
Copper sulphate.
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उत्तर
The best method of preparing copper sulphate is the method C – reaction of a dilute acid with an insoluble base.
\[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
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संबंधित प्रश्न
Name the procedure used to prepare a sodium salt such as sodium sulphate.
How is the following salt prepared:
Copper (II) sulphate from copper (II) oxide?
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
From the list of the substances given, name the substances which you would use to prepare each of the following salts:
List of substances: Copper, lead, sodium, zinc, copper oxide, lead carbonate, sodium carbonate solution, dilute hydrochloric acid, dilute nitric acid and dilute sulphuric acid.
Salts: (a) zinc sulphate (b) copper sulphate (c) sodium sulphate (d) lead sulphate.
Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
Explain the following method with example.
Direct combination
Explain why Anhydrous FeCl3 cannot be prepared by heating hydrated iron (III) chloride.
You are provided with the following chemicals:
NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCI, Fe, H2SO4, CI2, Zn.
Using the suitable chemicals from the given list only, state briefly how you would prepare sodium sulphate.
