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Aluminium occurs in the combined state w...

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

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Aluminium occupies a high position in the activity series and therfore is of reactive nature and occurs in combined state with other elements. Gold is placed almost at the bottom (above platinum). It is very little reactive and therefore, occurs in the free state.
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DINESH PUBLICATION-METALS AND NON-METALS-Very Short Answer Questions
  1. Give the electronic configuration of an element having atomic number 1...

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

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

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

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  5. Why does not stainless steel get rusted easily ?

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

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

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

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  9. Why do we apply paint on iron articles?

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

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

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

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

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

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

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

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  17. Why does not stainless steel get rusted easily ?

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

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

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

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