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Give the biological importance of Na and...

Give the biological importance of Na and K.

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MAXIMUM PUBLICATION-THE s-BLOCK ELEMENTS-EXERCISE
  1. Alkali metal halides are all high melting, colourless crystalline soli...

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  2. What is Plaster of Paris? How is it prepared? What is its use?

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  3. Give the biological importance of Na and K.

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  4. Name the element showing anomalous behaviour in group 2.

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  5. Give reason for anomalous behaviour in group 2.

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  6. List any two similarities between Be and AI.

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  7. A compound of calcium is used for immobilising the fractured bones of ...

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  8. A compound of calcium is used for immobilising the fractured bones of ...

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  9. A compound of calcium is used for immobilising the fractured bones of ...

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

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

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

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

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  14. Mention a few important uses of the following compounds. a) Epsom salt...

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  15. Cement is a complex mixture of silicates and aluminates. What is the f...

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  16. Cement is a complex mixture of silicates and aluminates. Explain setti...

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

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

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

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  20. How will you prepare Ca(OH)2 and CaCO3 from quick lime.

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