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

  • question_answer
    DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns.  
    Column - I Column - II
    (A) heat energy is evolved during the reaction (p) Physical change
    (B) Heat energy is absorbed (q) Chemical change
    (C) Digestion of food in the body (r) Exothermic reaction
    (D) Melting of wax (s) Endothermic reaction

    A) (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s)

    B) (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s)

    C) (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (q)

    D) (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (q), (D) \[\to \] (p)

    Correct Answer: D

    Solution :

    (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (q), (D) \[\to \] (p)


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