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Magnesium powder burns in air to give :...

Magnesium powder burns in air to give :

A

`Mg_(3)N_(2)`

B

`MgCO_(3)`

C

`Mg(NO_(3))_(2)`

D

None

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The correct Answer is:
A
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. The correct order of hydration energy of alkaline earth metal ions is

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  2. Na^(+) and Ag^(+) differ in

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  3. Magnesium powder burns in air to give :

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  4. Consider the following points : (a) Cs is the strongest reducing age...

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  5. Mg^(+2) does not form either preoxide or superoxidem because

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  6. The stability order of oxide, peroxide and superoxide of alkalimetal i...

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  7. Match list I with list II and choose the correct answer from the codes...

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  8. Alkali metals forms following compound

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  9. Which alkaline earth metal compound is volatile

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  10. Match the compound(s)/metal(s) in X with their uses in Y {:(X,Y),(A....

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  11. The reaction of sodium is highly exothermic with water. The rate of re...

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  12. Which of the following statement is not correct?

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  13. In between the metals A and B both form oxide but B also forms nitride...

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  14. When SiCl(4) vapours are passed over hot Mg, the products formed are

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  15. The metal X is prepared by the electrolysis of fused chloride. It reac...

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  16. Which of the following statement is not correct?

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  17. Molten sodium chloride conducts electricity due to the presence of:

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  18. CO(2) gas along with solid (Y) is obtained when sodium salt (X) is hea...

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  19. Magnesium oxide can be obtained by heating :-

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  20. A compoud which can be used in space vehicles both to absorb CO(2) and...

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