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JEE Main & Advanced JEE Main Paper (Held on 10-4-2019 Afternoon)

  • question_answer
    A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373K leads to an anhydrous white powder Z. X and Z, respectively, are: [JEE Main 10-4-2019 Afternoon]

    A) Washing soda and soda ash.

    B) Washing soda and dead burnt plaster.

    C) Baking soda and dead burnt plaster.

    D) Baking soda and soda ash.

    Correct Answer: A

    Solution :


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