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The alkali metals and their salts impart...

The alkali metals and their salts impart characteristic colour to an oxidising flame.Give the flame colour of Na and K.

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V PUBLICATION-THE s- BLOCK ELEMENTS-QUESTION BANK
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  2. Why does table salt get wet in rainy season?

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  3. The alkali metals and their salts impart characteristic colour to an o...

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  4. The s-block of periodic table constitutes alkali metals and alkaline e...

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

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

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

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

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

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

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

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

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

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

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

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  16. Photoelectric effect is maximum in

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

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

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

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

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