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Magnesium oxide can be obtained by heati...

Magnesium oxide can be obtained by heating :-

A

`MgCO_(3)`

B

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

C

`Mg(OH)_(2)`

D

All

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The correct Answer is:
D
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. Molten sodium chloride conducts electricity due to the presence of:

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

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  3. Magnesium oxide can be obtained by heating :-

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

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  5. Nitrate is converted into metal oxide on heating. This metal is:

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  6. There is loss in weight when mixture of Li(2)CO(3) and Na(2)CO(3).10H(...

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  7. Which of the following metal forms M(2)O(2) (peroxide)?

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  8. Which is main constitutent of egg-shell?

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  9. Baking powder contains:

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  10. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  11. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  12. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  13. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  14. Na(2)[Be(OH)(4)] is formed when:

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  15. Which is/are true statement(s) when metal carbides react with H(2)O?

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  16. Beryllium is placed above magnesium in the II group. Beryllium dust, t...

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  17. Potassium is kept in

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  18. Which of the following is not present in cement ?

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  19. A wire of an alkaline earth metal X, burnt in air and dipped in water,...

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  20. Which of the following statement is correct for s-block elements:

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