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प्रश्न
Give equation to prepare the following as directed
PbCO3 from Pb(NO3)
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उत्तर
\[\ce{Pb(NO3)2 -> Na2CO3 -> PbCO3 + 2NaNO3}\]
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संबंधित प्रश्न
Distinguish between the given pairs of compounds using the test given within brackets:
A lead salt and a zinc salt (using excess ammonium hydroxide)
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.
State how would you prepare copper (II) oxide from
Copper nitrate
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphate
Choosing the correct words given in brackets, complete the sentence given below: Copper sulphate from copper.
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 ?
The following is a list of methods for the preparation of salts.
A – direct combination of two elements.
B – reaction of a dilute acid with a metal.
C – reaction of a dilute acid with an insoluble base.
D – titration of a dilute acid with a solution of soluble base.
E – reaction of two solutions of salts to form a precipitate.
Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:
Sodium sulphate.
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.
