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What do you mean by hardening of oils?...

What do you mean by hardening of oils?

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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. Explain why dihydrogen is relatively inert at room temperature.

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  2. Give example of two reaction one in which H(2) acts as on oxidising ag...

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  3. What do you mean by hardening of oils?

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  4. Show that the reactivity of halogens towards dihydrogen decreases on g...

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  5. Name two compounds, in one of which hydrogen is in + 1 and in the othe...

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  6. Explain why the chemical properties of ortho and para-hydrogen are the...

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  7. What is nascent hydrogen?

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  8. Show that nascent hydrogen is more active than ordinary molecular hydr...

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  9. What do you mean by atomic hydrogen?

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  10. Both dihydrogen and carbon monoxide burn in air with blue flame. How w...

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  11. Mention two advantages of using dihydrogen as a fuel with respect to g...

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  12. Mention four important uses of dihydrogen.

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  13. What do you mean by hydrides? Give examples along with their general f...

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  14. Why ionic or salt-like hydrides on electrolysis liberates dihydrogen a...

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  15. What characteristics do you expect from an electrondeficient and an el...

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  16. Why the boiling point of HF is higher than that of other hydrogen hali...

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  17. Which type of hydrides can be used as hydrogen storage media?

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  18. How can you separate H(2) or D(2) from He?

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  19. Why ionic or salt-like hydrides are used to dry organic solvents?

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  20. Although the oxygen atom in water is sp^(3) hybridised, the value of H...

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