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Match the following {:("1. Magnesite",...

Match the following
`{:("1. Magnesite",CaSO_(4).2H_(2) O),("2. Dolamite",Mg CI_(2). KCI. 6H_(2) O),("3. Epsom salt",Mg CO_(3) ),("4. Carnallite",Mg CO_(3). Ca CO_(3) ),("5. Gypsum",MgSO_(4).7H_(2) O):}`

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NCERT TAMIL-GROUP 2 S - BLOCK ELEMENTS-QUESTION
  1. The formula of epsom salt is .

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  2. Epsom salt is used as .

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  3. Match the following {:("1. Magnesite",CaSO(4).2H(2) O),("2. Dolamite...

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  4. An element occupies group number 2 and period number 3. This element r...

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  5. Why the oxides of Group 2 metals have high melting points?

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  6. Why there is increase in the ionisation potential for forming M^(3+) i...

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  7. Why there is increase in the ionisation potential for forming M^(3+) i...

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  8. List the carbonates and hydroxide of alkaline earth metals in order of...

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  9. Why do beryllium halides fume in air?

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  10. Why group 2 elements are harder than alkali metals?

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  11. Beryllium halides are covalent whereas magnesium halides are ionic. Wh...

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  12. Why are monoxides of alkaline earth metals are very stable?

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  13. The basic strength of the oxides of group 2 elements increases from Be...

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  14. Alkaline earth metals are

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  15. In what respects Be and Mg differ from all the other metals of group 2...

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  16. How can you explain the anomalous behaviour of beryllium.

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  17. How does magnesium occur in nature? How is the metal extracted from it...

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  18. Why the first ionization energy of alkaline earth metals higher than t...

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  19. Mention the uses of plaster of paris

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  20. How is plaster of paris prepared ?

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