7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    Which of the following will be true of 'ash? that is obtained by burning wood in air?

    A)  Some properties of ash will not be similar to wood.

    B)  The properties of ash will be similar to wood.

    C)  The properties of ash will be different from both wood and air.

    D)  The properties of ash will be similar to both wood and air.

    Correct Answer: C

    Solution :

    Ash is formed when wood burns in the presence of air. Ash is a powdery substance and its properties are different from those of wood and air.


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