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प्रश्न
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain zinc carbonate (two steps required).
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उत्तर
\[\ce{\underset{Zinc}{Zn}+\underset{Dil.sulphuric acid}{H2SO4}->\underset{Zinc sulphate}{ZnSO4} + H2\uparrow}\]
\[\ce{\underset{Zinc sulphate}{ZnSO4} + \underset{Sodium carbonate}{Na2CO3}-> \underset{Zinc carbonate}{ZnCO3}+\underset{Sodium sulphate}{Na2SO4}}\]
संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
An insoluble chloride.
Name the kind of particles present in carbonic acid.
Define the term neutralization, Give a reaction, mentioning clearly acid and base used in the reaction.
Define the term neutralization, if one mole of a strong acid reacts with one mole of a strong base, the heat produced is always the same. Why?
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate.)
Write the equation for the reaction that will take place when this first step is carried out.
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
Solution A is a sodium hydroxide solution. Solution B is a weak acid. Solution C is dilute sulphuric acid. Which solution will.
(i) Liberate sulphur dioxide from sodium sulphite
(ii) Give a white precipitate with zinc sulphate solution,(iii) Contain solute molecules and ions?
Identify the anion present of the following compound:
A salt D on treatment with dilute sulphuric acid produces a gas which turns lime water milky but has no effect on acidified potassium dichromate solution
From the list of the following salts choose the salt that most appropriately fits the description given in the following :
[ AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2 ]
(i) A deliquescent salt
(ii) An insoluble chloride
(iii) On heating this salt gives a yellow residue when hot and white when cold
(iv) On heating this salt, a brown coloured to prepare the following salts:
Answer the following question related to salts and their preparations:
What kind of salt is prepared by precipitation?
