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Give reasons why metals are good conduct...

Give reasons why metals are good conductors , whereas nonmetals do not.

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BHARATI BHAWAN (ENGLISH)-METALS AND NONMETALS -Very short answer Questions
  1. Name one use of sulphur.

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  2. In what respect does graphite resemble a metal ?

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  3. Give reasons why metals are good conductors , whereas nonmetals do not...

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  4. Name two significant properties of a metal.

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  5. Explain why metals replace hydrogen from acids, whereas nonmetals do n...

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  6. Sodium hydroxide should not be stored in aluminium containers. Why ?

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  7. Explain why zinc metal can displace copper from copper sulphate soluti...

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  8. Why is sodium kept under kerosene ?

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  9. Explain why sodium is not found in the native state.

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  10. State any three chemical characteristics of a nonmetal

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  11. How are metals refined by electrolytic process ?

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  12. Name three nonmetallic oxides which are acidic . What happens when the...

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  13. State any four uses of aluminium.

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  14. From among the following , choose metals and nonmetals. State one of t...

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  15. What happens when NH(4)OH is added to an aqueous solution of aluminium...

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  16. What is rust ? How is it formed ?

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  17. What do you mean by corrosion of metals ?

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  18. Explain why iron sheets are coated with zinc.

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  19. Mention any one method by which corrosion of metals can be prevented.

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  20. What is an alloy ? Write the composition of brass or bronze.

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