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Explain the following statements giving ...

Explain the following statements giving appropriate reasons.
i) Sea water doesn't form lather with soap.

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V PUBLICATION-HYDROGEN-QUESTION BANK
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  2. A mixture of hydrazine and 'H2 O2' with Cu(II) catalyst is used as a r...

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  3. Explain the following statements giving appropriate reasons. i) Sea w...

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  4. Hydrogen forms three type of bonds in its compounds. Describe each typ...

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  5. Name one example of a reaction in which dihydrogen acts as (i) an oxid...

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  6. a) Compare atomic hydrogen with nascent hydrogen.

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  7. Anhydrous 'BaO2' is not used for preparing 'H2 O2 .' Why?

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  8. Hydrogen forms compounds with elements having atomic number '9,11,12' ...

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  9. H2S is a gas at ordinary condition, while H2O is liquid. Account for t...

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  10. Why hard water is not used in industrial boilers for producing steam?

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  11. Outline the similarities of hydrogen with the 1st.group elements

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  12. In a science fair, a debate based on 'Position of Hydrogen in the peri...

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  13. In nuclear reactors, heavy water is used as 'moderator'. a. What is a...

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  14. Raju noticed that while washing clothes by using rain water collected ...

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  15. i. Hydrogen bonding is the cause for several peculiar properties of wa...

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  16. i. Dalda available in the market is prepared from vegetable oil. Write...

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  17. Soap does not give lather with hard water. Why?

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  18. a. What is heavy water? Mention one use of heavy water. b. Explain wh...

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  19. Dihydrogen undergoes redox reactions with many metals at high temperat...

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  20. Explain why hydrogen peroxide is stored in coloured plastic bottles.

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