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प्रश्न
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 |
उत्तर
| Salt | Method of Preparation |
| Ammonium Sulphate | Titration |
| Calcium carbonate | Precipitation |
| Iron (III) chloride | Direct combination |
| Lead nitrate | Carbonate + acid |
| Zinc sulphate | Metal + acid |
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation for the preparation of the following salts
Copper carbonate
State how would you prepare copper (II) oxide from
Copper Carbonate
State how would you prepare copper (II) oxide from
copper sulphate
Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
(i) Sodium sulphate
(ii) Copper sulphate
(iii) Iron (II) sulphate
(iv) Zinc carbonate
| Dilute sulphuric acid |
Copper, Iron, |
Copper carbonate, Sodium carbonate |
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphide
Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.
Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from sodium carbonate.
The diagram given below is to prepare iron (III) chloride in the laboratory.
(i) What is substance B?
(ii) What is the purpose of B?
(iii)Why is iron (III) chloride to be stored in a closed container?
(iv) Write the equation for the reaction between iron and chloride ?
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 chloride.
