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Non-metals are poor conductors of electr...

Non-metals are poor conductors of electricity. Which allotrope of the non-metal carbon conducts electricity.

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S CHAND IIT JEE FOUNDATION-METALS AND NON METALS-QUESTION BANK-15
  1. (i) What is an alloy? (ii) An alloy usually has some property which ...

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  2. What is the most important chemical process in the extraction of any m...

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  3. Non-metals are poor conductors of electricity. Which allotrope of the ...

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  4. How many valence electrons are present in following elements ? (i) s...

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  5. How many valence electrons are present in non-metals?

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  6. Which metals do not corrode casily?

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  7. Name two metals which will displace hydrogen from dilute acids, and tw...

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  8. Which gas is produced when dilute hydrochloric acid is added to a reac...

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  9. You are given a hammer, a battery, a bulb, wires and a switch. (a) H...

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  10. What do you mean by amphoteric oxides? Give examples along with reacti...

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  11. Why is copper used to make hot water tanks but steel (an alloy of iron...

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  12. State two ways by which rusting can be prevented ?

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  13. What type of oxides are formed when non-metals combine with oxygen?

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  14. Sameer took sulphur powder on a spatula and heated it. He collected th...

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  15. Sameer took sulphur powder on a spatula and heated it. He collected th...

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  16. Sameer took sulphur powder on a spatula and heated it. He collected th...

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  17. You must have seen tarnished copper vessels being cleaned with lemon o...

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  18. Why does magnesium ribbon start floating in hot water?

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  19. Why do gallium and cesium melt in our palm?

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  20. A metal with shining appearance reacts with hot water and also with di...

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