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A metal is burnt in air and the ash on m...

A metal is burnt in air and the ash on moistening smells of ammonia. The metal is:

A

Na

B

Fe

C

Mg

D

Al

Text Solution

Verified by Experts

The correct Answer is:
C
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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. The strongest base in the following is:

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  2. The correct order of increasing thermal stabilities of the compound is...

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  3. A metal is burnt in air and the ash on moistening smells of ammonia. T...

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  4. Which out of the following does not dissolve in dilute HCl ?

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  5. A chloride dissolves appreciably in cold water when placed on the tip ...

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  6. The hydroxide which is max. soluble in water is ?

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  7. The elements forming predominantly covalent bonds in the following is:

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  8. Chemicals compound 'A' is used to remove temporary hardness from water...

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  9. The metal 'X' on heating with nitrogen gives compound 'Y' which dissol...

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  10. Ba, Sr, Ca and Mg may be arranged in order of decreasing first ionisat...

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  11. Halides of alkaline earth elements generally form hydrates. This shows...

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  12. The set representing the correct first ionisation energies (IE1) is:

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  13. Identify the least stable among the following

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  14. Which of the following process is used in the extraction of metallurgy...

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  15. The substance not likely to contain CaCO3 is:

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  16. Why is magnesium less electropositive than calcium ?

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  17. What is the formula of gypsum ?

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  18. How does very dilute HNO3 react with Mg ? Give equation only.

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  19. Between lithium and sodium, which is more electropositive ?

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  20. Which is more electropositive between Lithium and Sodium ?

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