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प्रश्न
Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
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उत्तर
Fe + dilute H2SO4 → FeSO4 + H2
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संबंधित प्रश्न
Write a balanced chemical equation for the preparation of the following salts
Copper carbonate
Explain why fused calcium chloride is used in the preparation of FeCI3?
How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphate
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.
Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
Explain the following method with example.
Direct combination
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 zincate.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
