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Why do some metals replace the other met...

Why do some metals replace the other metals from solution ?

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VGS PUBLICATION-BRILLIANT-METALS AND NON-METALS-EXERCISE
  1. Which metals are used in making jewellery?Why?

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  2. Taking the example of magnesium and sulphur explain how metals and non...

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  3. Why do some metals replace the other metals from solution ?

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

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  5. What will happen when iron nails dipped in copper sulphate solution?

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  6. Why are bells made up of metals instead of wood?

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  7. Give two uses of aluminium .

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  8. Write any two differences between electric conductors and insulators.

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  9. Write any four uses of metals in different situations.

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  10. Prepare a table of various metals and non-metals used in our daily lif...

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  11. Why are aluminium foils used to wrap food items ?

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  12. Give reasons for the following : Immersion rods for heating liquids ar...

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  13. Copper cannot displace zinc from its salt solution. Give reason.

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  14. Sodium and potassium are stored in kerosene. Why?

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  15. Give reasons for the following : Silver is used in making mirrors.

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  16. Why aluminium is used to make electrical wires?

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  17. Why do curd and sour substances not be kept in copper vessels ?

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  18. Why do we use iron in constructing bridges and houses?

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  19. What are the major differences between metals and non-metals?

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  20. Carbondioxide does not support combustion but a burning magnesium ribb...

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