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प्रश्न
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.
उत्तर
Sodium chloride can be prepared by neutralising NaOH with HCI.
\[\ce{NaOH + HCl -> NaCl + H2O}\]
संबंधित प्रश्न
Write a balanced chemical equation for the following:
Preparation of methane from iodomethane.
Name the procedure used to prepare a sodium salt such as 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 using other substance: Iron (II) chloride
Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
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 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 ?
Give the equation for the preparation of the following salt from the starting material given.
Lead chloride from lead carbonate (two equations)
Explain the following method with example.
Direct combination
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
