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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:
Sodium sulphate.
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उत्तर
The best method of preparing sodium sulphate is the method D – titration of a dilute acid with a solution of soluble base.
\[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2\uparrow}\]
\[\ce{Na2SO4 + 10H2O -> Na2SO4.10H2O}\]
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संबंधित प्रश्न
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Give the equation for the preparation of the following salt from the starting material given.
Copper sulphate from copper (II) oxide
Give the equation for the preparation of the following salt from the starting material given.
Lead chloride from lead carbonate (two equations)
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.
