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प्रश्न
Write the equation for the laboratory preparation of sodium sulphate using dilute sulphuric acid.
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उत्तर
\[\ce{2NaOH + dilute H2SO4 -> Na2SO4 + 2H2O}\]
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संबंधित प्रश्न
Explain why It is necessary to find out the ration of reactants required in the preparation of sodium sulphate.
State how would you prepare copper (II) oxide from
Copper Carbonate
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
lead sulphate using dilute sulphuric acid.
Which of the following methods, (a), (b), (c), (d) or (e) is generally used for preparing the chlorides listed below from (i) to (v). Answer by writing down the chloride and the letter pertaining to the corresponding method. Each letter is to be used only once.
(a) Action of an acid on a metal.
(b) Action of an acid on an oxide or carbonate.
(c) Direct combination.
(d) Neutralization of an alkali by an acid.
(e) Precipitation (double decomposition).
(i) copper(II) chloride.
(ii) iron(II) chloride.
(iii) iron(IIl) chloride.
(iv) lead (II) chloride.
(v) sodium chloride.
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)
What is the first step that is required to prepare lead sulphate from lead carbonate?
Explain why Anhydrous FeCl3 cannot be prepared by heating hydrated iron (III) 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:
Copper sulphate.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
Select the word/s given which are required to correctly complete the blanks.
When solution M and O are mixed together, the products will be ______ and ______.
For the preparation of the following salts - give a balanced equation in the following case.
Lead [II] chloride from lead carbonate [give two equations]
