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Giving a suitable explanation for the co...

Giving a suitable explanation for the contrast in the action of heat on the following: `Na_2CO_3 and CaCO_3`.

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ICSE-THE s - BLOCK ELEMENTS-ESSAY (LONG ANSWER) TYPE QUESTIONS
  1. Among groups 1 and 2, the elements of which group have higher ionisati...

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  2. When heated in air, the alkali metals form various oxides. Mention the...

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  3. Why is an aqueous solution of sodium carbonate alkaline?

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  4. Aqueous solution of NaCl is not used for electrolytic isolation of sod...

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  5. How do the following properties vary on moving down the group 1? A...

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  6. The chemistry of beryllium is not essentially ionic. Justify the state...

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  7. Give one word for the following : The least soluble alkali

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  8. Comment on each of the following observations: (a) The mobilities of...

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  9. Comment on each of the following observations: (a) The mobilities of...

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  10. Compare and contrast the chemistry of alkali metal with that of alkali...

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  11. Compare hydrogen with alkali metals on the basis of: Reducing Power

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  12. What is the nature of alkali metal oxides and hydroxides?

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  13. Which one of the alkaline earth metal carbonates is thermally the most...

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  14. Draw the structure of (i) BeCl(2) (vapour) (ii) BeCl(2) (solid)

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  15. State as to why (a) a solution of Na(2)CO(3) is alkaline ? (b) alk...

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  16. An aqueous solution of Na2CO3 is alkaline ? Explain.

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  17. Sodium is found more useful than potassium ? Explain.

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  18. Giving a suitable explanation for the contrast in the action of heat o...

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  19. Giving a suitable explanation for the contrast in the action of heat o...

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  20. Complete and balance the following equation : Ca(NO3)2 overset(Delta ...

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