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Name a non-metal which is lustrous and a...

Name a non-metal which is lustrous and a metal which is non-lustrous.

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Bromine (non-metal) is lustrous. Sodium (metal) is non-lustrons due to the formation of an oxide layer on its surface.
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DINESH PUBLICATION-METALS AND NON-METALS-Very Short Answer Questions
  1. What changes do you observe in the iron nails and colour of copper sul...

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  2. What are amphoteric oxides? Give two examples of amphoteric oxides.

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  3. Name a non-metal which is lustrous and a metal which is non-lustrous.

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  4. Give the electronic configuration of an element having atomic number 1...

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  5. A non-metal X exists in two different forms Y and Z. Y is hardest natu...

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  6. Aluminium occurs in the combined state while gold does not. Why ?

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  7. If copper metal is heated over a flame, it develops a coating. What is...

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  8. Why does not stainless steel get rusted easily ?

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  9. Why can we use gold and platinum in jewellery ?

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  10. Give chemical names of the two salts belonging to sodium family.

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  11. Name any one alloy made from (i) a metal and a non-metal (ii) two meta...

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  12. Why do we apply paint on iron articles?

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  13. Explain why calcium metal after reacting with water starts floating on...

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  14. Name two metals which can be used to reduce to metal oxides to metals.

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  15. The wires carrying current in homes have a coating of PVC. Why ?

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  16. Name the following : (a) A metal which is preserved in kerosene (...

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  17. A non-metal X exists in two different forms Y and Z. Y is hardest natu...

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  18. Name a non-metal which reacts with very dilute nitric acid to evolve h...

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  19. If copper metal is heated over a flame, it develops a coating. What is...

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  20. Why does not stainless steel get rusted easily ?

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