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If the key is to be coated with aluminiu...

If the key is to be coated with aluminium instead of copper, what changes do we need to make in the experiment of coating on iron key with copper?

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VGS PUBLICATION-BRILLIANT-ELECTRICAL CONDUCTIVITY OF LIQUIDS-EXERCISE
  1. What is electrolytic cell?

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  2. When we pass current through a copper sulphate solution having copper ...

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  3. If the key is to be coated with aluminium instead of copper, what chan...

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  4. A child staying in a coastal region tests the drinking water and also ...

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  5. Is it safe for electrician to carry out electrical repairs outdoor dur...

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  6. A tester is used to check conduction of electricity through two liquid...

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  7. When the free ends of a tester are dipped into a solution, the magneti...

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  8. What is the main threat to environment from electroplating factories?

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  9. Why should we have to deposit nickel or chromium on iron?

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  10. What is the name given to wires attached to LED ? How are these wires ...

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  11. What are the requirements for fine coating in electroplating process ?

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  12. Name three liquids which when tested in the manner shown in figure may...

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  13. If bulb does not glow with the passage of current, what are possible r...

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  14. Why the fire brigade start the work by putting off the electric mains?

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  15. We get some items made from iron wire in which iron wire is coated wit...

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  16. In terms of band theory , what is the difference between a conductor a...

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  17. Is it safe for electrician to carry out electrical repairs outdoor dur...

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  18. What is LED ? How it is useful as tester ?

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  19. When the free ends of a tester are dipped into a solution, the magneti...

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  20. tap water conduct electricity where as distilled water does not why?

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