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What is the use of 'KO2' in oxygen masks...

What is the use of 'KO_2' in oxygen masks?

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V PUBLICATION-THE s- BLOCK ELEMENTS-QUESTION BANK
  1. The s-block of periodic table constitutes alkali metals and alkaline e...

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  2. Why, alkali metals and the alkaline earth metals do not occur in free ...

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  3. What is the use of 'KO2' in oxygen masks?

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  4. Standard solution of sodium hydroxide cannot be prepared by weighing, ...

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  5. Compare the properties of alkali metals and alkailine earth metals?

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  6. In olden days people were using washing soda for washing clothes, i. ...

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  7. Li' and 'Mg' of groups I and II have certain similarities. '(##VPUHS...

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  8. Lithium is group 1 element. It shows some similarities with group 2 el...

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  9. How will you prepare Ca(OH)2 and CaCO3 from quick lime (CaO)?

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  10. Cement is an important building material. Explain the manufacture of c...

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  11. The group 1 metals of the periodic table of elements are collectively ...

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  12. Mg' and 'Li' have sịmilar properties due to

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  13. Photoelectric effect is maximum in

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  14. A sodium salt of unknown anion when treated with 'MgCl2' gives white p...

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  15. One mole of magnesium nitride on reaction with excess of water gives

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  16. Which of the following is not a Mg ore?

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  17. Among the alkali metals, cesium is the most reactive because

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  18. The ionic mobility in aqueous solution is maximum for K^+' Rb^+' Li^...

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  19. The correct order of mobility of the alkali metal ions in aqueous solu...

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  20. Pick out the statement(s) which is (are) not true about the diagonal r...

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