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प्रश्न
How would you obtain salt from another salt?
उत्तर १
Salt from another salt
\[\ce{NH4CI + NaOH → NaCI + H2O + NH3}\]
उत्तर २
\[\ce{\underset{Salt}{CuSO4}+2NH4OH -> \underset{Salt}{(NH4)2SO4}+Ca(OH)2\downarrow}\]
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संबंधित प्रश्न
Name the procedure used to prepare a sodium salt such as sodium sulphate.
Describe giving all practical details, how would you prepare:
lead sulphate from metallic lead.
How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?
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.
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) 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.
Match the salts underlined in Column A with the most suitable method of preparation given in Column B.
| Column A | Column B | ||
| (a) | \[\ce{ZnCl2 \text{from} Zn}\] | 1. | Precipitation |
| (b) | \[\ce{KNO3 \text{from} KOH}\]. | 2. | Direct combination |
| (c) | \[\ce{CaCO3 \text{from} CaCl2}\]. | 3. | Displacement reaction |
| 4. | Neutralization |
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.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
