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A piece of magnesium is burned in air. ...

A piece of magnesium is burned in air.
Which are the reactants here ?

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V PUBLICATION-THE s- BLOCK ELEMENTS-QUESTION BANK
  1. Why Li2CO3 decomposes at lower temperature whereas Na2CO3 at higher te...

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  2. Sodium metal is kept under kerosene. Explain?

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  3. A piece of magnesium is burned in air. Which are the reactants here ...

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  4. BeCl2' can be easily hydrolysid. Explain?

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  5. Why does magnesium has a higher ionization enthalpy than sodium?

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  6. Why is it that 'BeSO4' and 'MgSO4' are soluble but 'BaSO4' is insolubl...

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  7. What is magnesia cement? Give 'its composition?

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  8. Beryllium exhibits some similarities with aluminium. Write three such ...

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  9. The energy released during the addition of an electron to an isolated ...

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  10. Why lithium forms only lithium oxide and not perioxide or superoxide?

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  11. Out of 'KOH' and 'NaOH', which is stronger base and why?

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  12. Potassium carbonate cannot be prepared by Solvay process. Why?

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  13. Why an aqueous solution of sodium carbonate is'alkaline?

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  14. What is fly ash?

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  15. compound of calcium is used in hospitals for setting fracture of bones...

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  16. Give the chemical formula of dolomite and carnallite?

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  17. Sodium fire in the laboratory should not be extinguished by pouring wa...

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  18. Give reasons. (i )Solutions of alkali metals in liquid ammonia are blu...

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  19. Why does table salt get wet in rainy season?

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

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