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Two elements A and B have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and B, respectively, are:

Option 1 -

Na and Ca

Option 2 -

Na and Rb

Option 3 -

Cs and Ba

Option 4 -

Li and Mg

0 1 View | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 4


    Detailed Solution:

    Li and Mg form nitrides and have bicarbonates that are unstable

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