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Why are metals good conductors of electr...

Why are metals good conductors of electricity.

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Metals are good conductor of electricity because they have very large number of free valance electrons whereas glass has no free electrons to conducts electricity. So, metals are good conductor of electricity whereas glass is a bad conductor of electricity.
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PEARSON IIT JEE FOUNDATION-METALS AND NON-METALS-CLASSROOM CORNER (SHORT ANSWER TYPE QUESTION)
  1. State any three measures used to protect objects from corrosion.

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  2. Why should acidic food items such as curd and pickles should not be st...

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  3. Write balanced chemical equations representing each of the following r...

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  4. What happens when aluminum oxide reacts with nitric acid? Write the ba...

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  5. What is menal by (a) displacement reactinon, and (b) double displaceme...

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  6. Have you ever seen a blacksmith beating an iron piece? Do you find a c...

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  7. Why are metals good conductors of electricity.

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  8. What happens when a magnesium ribbon is heated in presence of air?

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  9. Discuss what happens when a copper vessel is exposed in moist air.

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  10. Give reasons for the following. Aluminium foils are used to wrap foo...

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  11. Give reasons for the following. Immersion rods for heating liquids a...

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  12. Give reasons for the following. Copper cannot displace zinc from its...

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  13. Explain why sodium and potassium are stored in Kerosene?

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  14. Can lemon pickle be stored in an aluminium utensil? Explain.

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  15. Saloni took a piece of burning charcoal and collected the gas evoled i...

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  16. Saloni took a piece of burning charcoal and collected the gas evoled i...

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  17. One day Kavita went to a jewellers shop with her mother. Her mother ga...

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  18. What happens when: (a). Dilute sulphuric acid is poured on a copper p...

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  19. Why is zinc used for galvanizing iron? Justify your answer.

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