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प्रश्न
Match the salts given in Column I with their method of preparation given in Column II:
| Column I | Column II | ||
| (i) | Pb(NO3)2 from PbO | (a) | Simple displacement |
| (ii) | MgCl2 from Mg | (b) | Titration |
| (iii) | FeCl3 from Fe | (c) | Neutralization |
| (iv) | NaNO3 from NaOH | (d) | Precipitation |
| (v) | ZnCO3 from ZnSO4 | (e) | Combination |
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उत्तर
| Column I | Column II | ||
| (i) | Pb(NO3)2 from PbO | (c) | Neutralization |
| (ii) | MgCl2 from Mg | (a) | Simple displacement |
| (iii) | FeCl3 from Fe | (e) | Combination |
| (iv) | NaNO3 from NaOH | (b) | Titration |
| (v) | ZnCO3 from ZnSO4 | (d) | Precipitation |
संबंधित प्रश्न
How is the following salt prepared:
Lead carbonate from lead nitrate.
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.
Explain hydronium ion. Write the ionization of sulphuric acid showing the formation of hydronium ion.
Give equation to prepare the following as directed
MgCO3 from MgCl2
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 |
From the list given below, select the word(s) required to correctly complete blanks (i) to (v) in the following passage. The words from the list are to be used only once. Write the answers as (a) (i), (ii) (iii) and so on. Do not copy the passage.
A solution M turns blue litmus red, so it must contain _______ ions; another, solution O turns red litmus blue and hence, must contain ______ ions.
Explain the following method with example.
Direct combination
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 (II) sulphate.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
D is a soluble salt of zinc.
For the preparation of the following salts - give a balanced equation in the following case.
Lead [II] chloride from lead carbonate [give two equations]
