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Fill in the blanks:- Parts of a bicycl...

Fill in the blanks:-
Parts of a bicycle or a car or a bran tap are coated with__________.

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JNAN PUBLICATION-MATTER (CHEMICAL EFFECTS OF ELECTRICITY)-EXAMPLE
  1. Fill in the blanks:- The compounds which do not produce ions are cal...

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  2. Fill in the blanks:- Rusting of iron occurs in contact with and moi...

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  3. Fill in the blanks:- Parts of a bicycle or a car or a bran tap are c...

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  4. Fill in the blanks:- To protect iron tools or utensils form rusting ...

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  5. Fill in the blanks:- Nickel plated substances are attracted by .

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  6. Fill in the blanks:- Impure copper is purified by method.

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  7. Fill in the blanks:- Some electroytes remain completely in solution...

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  8. Fill in the blanks:- an LED can glow even at a low.

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  9. Fill in the blanks:- During electrogplating the substance on which p...

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  10. Match the column A with coloumn B.

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  11. What are electrolytes? Give example.

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  12. What is electroplating?

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  13. During electroplating which is taken as cathode and anode?

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  14. What is galvanized iron?

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  15. How can you differ between stainless steel and nickel-coated iron?

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  16. Why wax, butter, ghee etc are non-electrolytes?

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  17. Name the ions produced by pottasium hydroxide, sulphuric, acid and pot...

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  18. What is electrolysis?

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  19. Why some acid or alkali si added with pure water in an experiment?

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  20. What are strong and weak electrolytes?

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