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Which property of graphite is utilised i...

Which property of graphite is utilised in making electrondes?

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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. Give reasons for the following: Blue colour of copper sulphate solut...

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  2. Name a non-metal having a very high melting point.

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  3. Which property of graphite is utilised in making electrondes?

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  4. Name two non-metals which are both brittle and non-ductile.

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  5. Explain why, the surface of some metals acquires a dull appearance whe...

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  6. Complete and balance the following equations: (a). Na+O(2)to (b). ...

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  7. Fill in the following blanks with suitable words: (a). Magnesium lib...

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  8. (a). What is meant by saying that the metals are malleable and ductile...

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  9. Name two metals which react vilently with cold water. Write any three ...

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  10. (a). With the help of examples, describe how metals oxides differ from...

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  11. (a). What are amphoteric oxides ? Give two examples of amphoteric oxid...

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  12. (a). What is the neture of the oxide SO(2)? What happens when it is di...

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  13. (a). What is the nature of the oxide SO(2)? What happens when it is di...

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  14. (a). How do metals usually do not liberate hydrogen gas with dilute ni...

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  15. (a). How do non-metals react with hydrogen? Explain with an example. ...

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  16. (a). What happens when calcium reacts with chlorine? Write an equation...

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  17. (a). Arrange the following metals in order of their chemical reactivit...

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  18. A copper plate was dipped in AgNO(3) solutions. After certain time, si...

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  19. State five uses of metals and five of non-metals.

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  20. State one use each of the following metals: Copper, Aluminium, Iron,...

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