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How is the presence of SO2 detected ?...

How is the presence of `SO_2` detected ?

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. HClO4 is less/more acidic than HClO3.

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  2. These questions consist of two statements each,printed as Assertion an...

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  3. How is the presence of SO2 detected ?

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  4. Complete the following:

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  5. Match the compound in Column I with the property in Column II.

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  6. Match each of the reactions given in Column I with the corresponding...

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  7. The incomplete chemical reactions given in List I show missing reagent...

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  8. Match the compound given in List I with structure and number of lone p...

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  9. Write the IUPAC name of : K2[Fe (C2O4)3 ]

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  10. Write the IUPAC name of : [Co (CN ) (en)2 (H2O) ]^(+2)

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  11. Write the IUPAC name of : [Fe (CN)5 Br ]^(-3)

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  12. Total number of dibasic acids among H3PO4, H4P2O7, H4P2O6, H3PO5, H3PO...

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  13. Write the IUPAC name of : [Cr (NH3 )3 (en)2 ]Cl3

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  14. The difference in the oxidation numbers of the two types of sulphur at...

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  15. Reaction of Br2 with Na2CO3 in aqueous solution gives sodium bromide a...

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  16. Among the following, the number of compounds that can react with PCl5 ...

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  17. The difference between the number of lone pairs and P - O bonds in P4O...

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  18. The total number of lone pairs of elections in N2O3 is

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  19. On addition of conc. H2SO4 to a chloride salt, colourless fumes are ev...

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  20. In qualitative analysis when H2S is passed through an aqueous solution...

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