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Arrange the following metals in the orde...

Arrange the following metals in the order of their decreasing reactivity: Aluminium, gold, sodium, copper

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The decreasing order of reactivity is sodium gt aluminium gt coppergt gold
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TARGET PUBLICATION-METALLURGY-ANSWER THE FOLLOWING
  1. Are all the metals equally reactive?

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  2. What is aqua regia? How is it prepared?

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  3. Arrange the following metals in the order of their decreasing reactivi...

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  4. Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely...

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  5. Which metal is more reactive, copper or iron?

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  6. Name one metal which can displace hydrogen from dilute acids and one m...

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  7. What will you observe when zinc granules are added to ferrous sulphate...

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  8. A solution of ferrous sulphate was kept in an aluminium can. After few...

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  9. Explain the following: When a copper coin is dipped in silver nitrat...

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  10. Why cannot each metal react to its own salt?

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  11. Explain the following: The electronic configuration of metal A is 2...

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  12. A nonmetal 'X' is an important constituent of all living organisms and...

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  13. In the reaction between chlorine and HBr transformation of HBr into Br...

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  14. State two important factors responsible for a certain crystal structur...

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  15. State any four properties of Ionic compounds

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  16. Why are ionic compounds solid and hard at room temperature?

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  17. Give examples of any two metals which are generally found in the free ...

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  18. Aluminium occurs in combined state whereas gold is found in free state...

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  19. Explain the terms : Metallurgy

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  20. Explain the terms : Ores

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