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On heating one end of a piece of a metal...

On heating one end of a piece of a metal , the other end becomes hot because of

A

the resistance of the metal

B

mobility of atoms in the metal

C

energised electrons moving to the other end

D

minor perturbation in the energy of atoms

Text Solution

Verified by Experts

The correct Answer is:
C
A metal is characterised by the presence of free electrons which move faster due to increase of temperature.
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ICSE-ELECTROLYSIS-Multiple choice Questions
  1. Identify the weak electrolyte from the following :

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  2. Which of the following is true in case of electrolytic refining ?

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  3. Which of the following statements is FALSE ?

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  4. Element X is extracted by the electrolysis of a molten compound of ele...

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  5. A solid deposit of element R is formed at the cathode when an aqueous ...

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  6. Which statement best explains the generation of electrical energy in a...

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  7. Conductivity of an electrolytic solution depends on :

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  8. The cathode production of the electrolysis of zinc iodide is :

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  9. Electrolysis of pure ionic molten compounds metal is formed at :

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  10. The electrolyte used for electroplating an article with silver is :

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  11. the chemical change that occurs at this electrode is called .

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  12. For the given cell, Mg|Mg^(2+)||Cu^(2+)|Cu (a)Mg is cathode (b)Cu i...

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  13. The half-reaction that occurs at the anode during the electrolysis of ...

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  14. Which compound releases bromide gas at anode ?

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  15. Which of these will act as a non-electrolyte?

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  16. When fused lead bromide is electrolysed we observe: [A]a silver grey d...

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  17. Water is decomposed into hydrogen and oxygen by means of an electric c...

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  18. On heating one end of a piece of a metal , the other end becomes hot b...

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  19. The current flow through electrolyte is due to the movement of:

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  20. The particles present in strong electrolytes are

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