Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2004

  • question_answer
    Which of the following oxides is white but becomes yellow on heating?

    A)  \[AgO\]                              

    B)  \[A{{g}_{2}}O\]

    C)  \[FeO\]                              

    D)  \[ZnO\]

    Correct Answer: D

    Solution :

    Zinc oxide is a white powder commonly known as philosopher's wool. It changes to yellow on heating and again become white on cooling.


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