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प्रश्न
Choose the method of preparation of the following salts, from the methods given in the list:
[List : A. Neutralization B. Precipitation C. Direct combination D. Substitution ]
(i) Lead chloride
(ii) Iron (II) sulphate
(iii) Sodium nitrate
(iv) Iron (III) chloride
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उत्तर
(i) Lead chloride Precipitation
(ii) Iron (II) sulphate substitution
(iii) Sodium nitrate Neutralization
(iv) Iron (III) chloride Direct combination
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संबंधित प्रश्न
How would you obtain salt from another salt?
What kind of salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Name the procedure used to prepare a sodium salt such as sodium sulphate.
How is the following salt prepared:
Calcium sulphate from calcium carbonate,
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.
Copper sulphate from copper (II) oxide
Explain why Anhydrous FeCl3 cannot be prepared by heating hydrated iron (III) chloride.
Mention the colour changes observed when the following indicators are added:
| Solution | Acids | Alkalies |
| (a) Alkaline phenolphthalein solution | ||
| (b) Methyl orange solution | ||
| (c) Neutral litmus solution |
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.
If a piece of magnesium was put into a solution M, ______ gas would be evolved.
