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Name two metals which are used: (a). F...

Name two metals which are used:
(a). For making electric wires
(b). For making domestic utensils and factory equipment.
(c). For making jewellery and to decorate sweets.

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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. (a). Name one metal which is stored in kerosene oil. (b). Name one n...

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  2. Write equation for the reaction of (a). Sodium with oxygen (b) mag...

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  3. Name two metals which are used: (a). For making electric wires (b)...

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  4. Which metal foil is used for packing some of the medicine tables.?

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  5. Name the non-metal which is used: (a). To convert vegetable oil into...

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  6. Name one property which is characteristic of (a) metals, and (b) non-m...

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  7. What is meant by "brittleness"? Which type of elements usually show br...

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  8. What will happen if a strip of zinc is immersed in a solution of coppe...

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  9. What will happen if a strip of copper is kept immersed in a solution f...

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  10. What happens when iron nails are put into copper sulphate solution?

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  11. How would you show that silver is chemically less reactive than copper...

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  12. Give reasons for the following: Blue colour of copper sulphate solut...

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

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

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

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

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

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

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

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

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