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Question
Give equation to prepare the following as directed
MgCO3 from MgCl2
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Solution
\[\ce{MgCI2 + Ca(OH)2 -> Mg(OH)2 + CaCI2}\]
\[\ce{Mg(OH)2 + 2CO2 -> Mg(HCO3)2}\]
\[\ce{Mg(HCO3)2 -> MgCO3 + CO2 + H2O}\]
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RELATED QUESTIONS
How is the following salt prepared:
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How is the following salt prepared:
Copper (II) sulphate from copper (II) oxide?
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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.
Choose the method of preparation of the following salts, from the methods given in the list:
[List : A. Neutralization B. Precipitation C. Direct combination D. Substitution ]
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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.
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(i) copper(II) chloride.
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(iii) iron(IIl) chloride.
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Write the equations for the reaction to prepare lead sulphate from lead carbonate.
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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.
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An oxide which when dissolved in water form acid.
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