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प्रश्न
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
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उत्तर
\[\ce{PbCO3 + 2HNO3 -> Pb(NO3)2 + H2O + CO2}\]
\[\ce{Pb(NO3)2 + 2HCl -> PbCl2 + 2HNO3}\]
संबंधित प्रश्न
How would you obtain salt from another salt?
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.
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
Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
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 ?
Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
- A is a sodium salt.
- B is an insoluble salt.
- C is a soluble salt of copper.
- D is a soluble salt of zinc.
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 zincate.
