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Writ down the balanced chemcial equation...

Writ down the balanced chemcial equation for the reaction of `H_2S` with aqueous solution of `SO_2` and write the roles (oxidant/reductant) of the reactants in the reaction.

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2017-EXERCISE
  1. Define heterogeneous catalysis with an example.

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  2. How will you distinguish chemically between HN3 and HN3 ?

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  3. Writ down the balanced chemcial equation for the reaction of H2S with ...

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  4. Explain why Cu(NH(3))4]^(2+) ion is coloured but [Cu(CN)4]^(3-) ion is...

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  7. KBr crystallises in face-centered cubic (fcc) crystals. The density an...

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  8. Which kind of defect in ionic crystals does not alter the density ?

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  9. An element X has atomic mass 60 g mol^(-1) and density 6.23 g cm^(-3)....

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  10. 20 g of a solid solute is dissolved in 180 g of water. At 100^(@)C the...

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  11. What is the fuel cell? Write down anodic reaction and cathodic reactio...

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  17. Write the IUPAC name mentioning R/S notation of the following compound...

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  18. Write the reagent in case of first reaction and the organic product in...

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  19. Write one use of dichloromethane and one harmful effect of it on human...

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  20. Identify A, B, C, D, E and F in the following reactions:

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