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Answer the following question:

(i) Are all pure liquids bad conductors of electricity? Justify your answer with one example.

(ii) Why ionic compounds are always hard?

(iii) Name the cathode and anode in the electrolytic refining of copper.

Asked by Topperlearning User 24th July 2017, 2:20 PM
Answered by Expert
Answer:

(i) No, all pure liquids are not bad conductors of electricity. There are many pure liquids which are good conductors of electricity. For example, solutions of acids like sulphuric acid, nitric acid are good conductors of electricity.

(ii) Ionic compounds are hard solids because they have strong electrostatic forces of attraction between their ions, which cannot be separated easily.

(iii) Cathode: A thin strip of pure copper metal

      Anode: A thick block of impure copper metal

Answered by Expert 24th July 2017, 4:20 PM
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