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JEE Main & Advanced Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Carbon Family

  • question_answer
    Lapis lazuli is [AFMC 2004]

    A) Ferrous sulphate

    B) Copper sulphate

    C) Sodium alumino silicate

    D) Zinc sulphate

    Correct Answer: C

    Solution :

    Lapis Lazuli is a rock composed mainly of the following mineral, lazurite, hauynite sodalite, nosean, calcite, pyrite, lapis lazuli is actually sulphur containing, sodium aluminium silicate having chemical composition \[3N{{a}_{2}}O.3A{{l}_{2}}.6Si{{O}_{2}}.2N{{a}_{2}}S\].


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