Advertisements
Advertisements
प्रश्न
Name the method used for preparation of the following salts from the list given below:
(i) Sodium nitrate
(ii) Iron (III) chloride
(iii) Lead chloride
(iv) Zinc sulphate
(v) Sodium hydrogen sulphate
List :
(a) Simple displacement
(b) Neutralization
(c) Decomposition by acid
(d) Double decomposition
(e) Direct synthesis
Advertisements
उत्तर
| (i) Sodium nitrate | (b) Neutralisation |
| (ii) Iron (III) chloride | (e) Direct synthesis |
| (iii) Lead chloride | (d) Double decomposition |
| (iv) Zinc sulphate | (a) Simple displacement |
| (v) Sodium hydrogen sulphate | (c) Decomposition by acid |
APPEARS IN
संबंधित प्रश्न
How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?
State how would you prepare copper (II) oxide from
Copper Carbonate
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
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 |
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
lead sulphate using dilute sulphuric acid.
Choosing the correct words given in brackets, complete the sentence given below: Copper sulphate from copper.
Explain the following method with example.
Direct combination
Fill in the blanks with suitable words:
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions. A base is a compound which is soluble in water and contains ______ ions. A base reacts with an acid to form a ______ and water only. This type of reaction is known as ______.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A covalent oxide of a metalloid.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
