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What is the source of solar energy?...

What is the source of solar energy?

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The main source of solar energy is the given nuclear fusion reaction: `4_(1)^(1)H rarr _(2)^(4)"He" + 2 _(+1)e^(0)` (positron) + Energy
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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. Name the isotopes of hydrogen and state their mass ratio.

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  2. What is the source of solar energy?

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  3. Which isotope of hydrogen is most abundant and which one is radioactiv...

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  4. The chemical properties of the isotopes are identical but they chemica...

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  5. How can tritium be synthesised artificially? How can it be stored ? St...

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  6. State one important use of deuterium.

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  7. How can dihydrogen be prepared in the laboratory?

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  8. Although Fe is placed above hydrogen in the electrochemical series, di...

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  9. Why commercial variety of zinc is used instead of pure zinc in the lab...

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  10. Concentrated sulphuric acid cannot be used in the laboratory perparati...

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  11. Name a metal and a non-metal which on reaction with alkali liberates d...

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  12. Give an example and formula of a compound which on electrolysis libera...

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  13. Name two metals which can replace hydrogen from acid.

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  14. How can one prepare H(2) gas from water by using a reducing agent?

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  15. Write the industrial preparation of dihydrogen from water.

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  16. Explain why dihydrogen is relatively inert at room temperature.

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

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  18. What do you mean by hardening of oils?

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

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

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