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Ionic compounds can conduct electric cur...

Ionic compounds can conduct electric current when molten. Give reason.
OR
A molten salt which conducts electric currents does not do so on solidification. Explain.

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In molten form the ions in the compound become mobile and start conducting, whereas in solid form, are constituent ions immoble.
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ZEN PUBLICATION-METALS AND NON METALS-ZEN ADDITIONAL QUESTIONS SECTION (VERY SHORT ANSWER [VSA] TYPE QUESTIONS)
  1. A silver spoon is kept immersed in an aqueous solution of copper sulph...

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  2. What are ionic compounds?

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  3. Ionic compounds can conduct electric current when molten. Give reason....

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  4. Aluminium occurs in combined state in nature whereas gold, in its free...

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  5. A few drops of sulphuric acid are added to water before electrolysis. ...

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  6. In the refining of silver, the recovery of silver from silver nitrate ...

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  7. What is metallurgy ?

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  8. What is the reduction process used for sodium chloride?

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  9. In electrolytic refining of an impure coper metal, which substances ar...

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  10. What is galvanization?

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  11. Iron objects acquires redish brown coating when left exposed to moist ...

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  12. Why corrosion of iron is a serious problem?

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  13. Name the colour of coating formed on silver and copper articles expose...

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  14. Hydrogen is not a metal but it has been assigned a place in the metal ...

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  15. Why should the metal sulphides and carbonated ores be converted to met...

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

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

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  18. Why does calcium float on water?

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  19. Which gas is usually liberated when an acid reacts with a metal ? Illu...

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  20. Name the metal which reacts with a very dilute HNO(3) to evolve hydrog...

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