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प्रश्न
Why is acidified water considered to be a good conductor of electricity?
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उत्तर
Hydrogen ions are created in the presence of water when an acid and water are combined. The acidified water is a good conductor of electricity because of the presence of these ions.
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संबंधित प्रश्न
_________ solution is blue in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3
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Name the metal which has been placed at the bottom of the reactivity series.
How would you show that silver is chemically less reactive than copper?
What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
Why does aluminium not react with water under ordinary conditions?
Can we keep sodium immersed under water? Why?
What is meant by the reactivity series of metals? Arrange the following metals in an increasing order of their reactivities towards water:
Zinc, Iron, Magnesium, Sodium
Out of the following oxides, the amphoteric oxide is:
(a) Fe2O3
(b) Al2O3
(c) P2O5
(d) N2O
CuSO4(aq) + Fe(s) → FeSO4(aq) + Cu(s)
FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)
On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.
