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प्रश्न
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
D is a soluble salt of zinc.
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उत्तर
Zinc sulphide [ZnS] by direct combination.
संबंधित प्रश्न
How would you obtain salt from another salt?
How is the following salt prepared:
Magnesium carbonate from magnesium chloride.
How is the following salt prepared:
Copper (II) sulphate from copper (II) oxide?
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 iron (III) chloride.
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from sodium carbonate.
Give the equation for the preparation of the following salt from the starting material given.
Potassium sulphate from potassium hydroxide solution
Explain why Anhydrous FeCl3 cannot be prepared by heating hydrated iron (III) chloride.
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.
