11th Class Chemistry Alkali Metals Question Bank Alkali Metals

  • question_answer Which of the following metal has stable carbonates [AFMC 2004]

    A) Na

    B) Mg

    C) Al

    D) Si

    Correct Answer: A

    Solution :

    When carbonate are heated they decompose to form the oxide. Sodium carbonate and potassium carbonate do not decompose. The carbonate become more difficult to decompose as we go down the group. 

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