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Give reasons for the following : Copper...

Give reasons for the following : Copper cannot displace zinc from its salt solution..

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PSEB-MATERIALS: METALS AND NON- METALS-EXERCISE
  1. Which of the following can be beaten into thin sheets?

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  2. Which one of the following statements is correct?

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  3. Fill in the blanks. Phosphorus is a very ……………..non - metal

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  4. Fill in the blanks. Metals are ………… conductors of heat and……………………..

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  5. Fill in the blanks. Iron is …………………. Reactive than copper.

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  6. Mark' T' if the statement is true and 'F' if the statement is false. S...

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  7. Mark' T' if the statement is true and 'F' if the statement is false. ...

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  8. Mark' T' if the statement is true and 'F' if the statement is false. ...

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  9. Some properties are listed in the following table. Distinguish betwee...

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  10. Give reasons for the following : Immersion rods for heating liquids a...

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  11. Give reasons for the following : Copper cannot displace zinc from it...

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  12. Give reasons for the following : Sodium and pottasium are stored in k...

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  13. Can you store lemon pickle in an aluminium utensil? Explain.

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  14. What happens when: Dilute sulphuric acid is poured on a copper plate?

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  15. What happens when: Iron nails are placed in a copper sulphate solutio...

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

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  17. Saloni took a piece of burning charcoal and collected the gas evolved ...

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  18. One day Reeta went to a jeweller 's shop with her mother. Her mother g...

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