2. Solved Papers
  3. JEE Main & Advanced

JEE Main & Advanced JEE Main Paper (Held on 09-4-2019 Afternoon)

  • question_answer
    The one that is not a carbonate is : [JEE Main 9-4-2019 Afternoon]

    A) bauxite

    B) siderite

    C) calamine                     

    D) malachite

    Correct Answer: A

    Solution :

    1. Bauxite-\[Al{{O}_{x}}{{(OH)}_{3-2x}}\]where \[0<x<1\]
    2. Siderite - \[FeC{{O}_{3}}\]
    3. Calamine - \[ZnC{{O}_{3}}\]
    4. Malachite - \[CuC{{O}_{3}}.Cu{{(OH)}_{2}}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner