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प्रश्न
Explain why fused calcium chloride is used in the preparation of FeCI3?
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उत्तर
As iron (III) chloride (FeCl3) is highly deliquescent, so it is kept dry with the help of fused calcium chloride.
संबंधित प्रश्न
How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?
State how would you prepare copper (II) oxide from
copper sulphate
Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.
Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from sodium carbonate.
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.
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Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
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.
If a piece of magnesium was put into a solution M, ______ gas would be evolved.
For the preparation of the following salts - give a balanced equation in the following case.
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