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The most abundant noble gas present in t...

The most abundant noble gas present in the atmosphere is ______.

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USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
  1. The inert gas used in beacon lights is

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  2. Name the catalyst used in the contact process of manufacture of H2SO4

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  3. The most abundant noble gas present in the atmosphere is .

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  4. Sodium chloride on heating with H2SO4 in presence of MnO2 produce gas...

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  5. What is the bond angle in SO2 molecule ?

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  6. Arrange the halogen acids in increasing order of their acidic strength...

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  7. What happens when phosphorous acid is heated ?

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  8. Why is oxygen a gas sulphur a solid at while room temperature ?

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  9. Explain that bleaching action of CL2 is permanent, while that of SO2 i...

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  10. What are the interhalogen compounds?Give examples.

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  11. Give an example of interhalogen compound of chlorine.

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  12. Why does xenon form compounds only with fluorine and oxygen ?

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  13. Explain why the reducing power for the hydrides of Gr-15 increases dow...

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  14. How does ozone react with SnCl2

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  15. What happens when Nal is heated with conc. H2SO4 ?

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  16. Give the principle of manufacture of H2SO4 by contact process.

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  17. What happens when SO2 gas is passed through acidified K2Cr2O7 solution...

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  18. What happens when NH3 gas is passed through copper sulphate solution f...

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  19. What happens when SO2gas is passed through lime water first slowly and...

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  20. Why is H2SO4 called as king of the chemicals?

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