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The abundance of Be in the nature is ver...

The abundance of Be in the nature is very low -why?

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The very low abundance of Be as compared to other alkaline earth metals may be attributed to its small nuclear charge and low potential barrier for proton or alpha capture reactions involving easy transmutation to other heavier nuclides.
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
  1. Why do Gr-2 metals not exist in free state in nature?

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  2. Which out of Na^(+) and Mg^(+) ion, has greater polarising power and w...

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  3. The abundance of Be in the nature is very low -why?

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  4. What precautions should be taken while handling beryllium compounds an...

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  5. Explain why the elements of group-2 form M^(2+) ions but not M^(3+) io...

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  6. Arrange Be(OH)2, Ba(OH)2 & Ca(OH)2 in order of increasing solubility i...

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  7. How can you prepare propyne from magnesium carbide?

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  8. The reaction between marble and dilute H2SO4 is not used to prepare CO...

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  9. Why are the group-2 metals harder and have higher melting and boiling ...

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  10. Give some common tests used for detection of calcium compounds.

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  11. A white solid (A) when heated liberates a colourless gas which does no...

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  12. Compare the alkali metals and alkaline earth metals with respect to th...

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  13. Compare the alkali metals and alkaline earth metals with respect to th...

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  14. Compare the alkali metals and alkaline earth metals with respect to th...

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  15. Why halides of Be dissolve in organic solvents while those of Ba do no...

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  16. Name the important compound of Li used in organic synthesis. How the c...

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  17. What is the oxidation state of Kin KO2 and why is this compound parama...

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  18. Write the composition of gunpowder.

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  19. Why is Na2S2O3 used in photography?

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  20. The affinity of sodium towards water is used in drying benzene. Explai...

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