10th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
    Match the following:
    Column A Column B
    (I) Chalk [A] \[CaO\]
    (II) Quicklime [B] \[Ca{{(OH)}_{2}}\]
    (III) Slaked lime [C] \[NaHC{{O}_{3}}\]
    (IV) Sodium bicarbonate [D] \[CaC{{O}_{3}}\]

    A) I \[\to \] D, II \[\to \] B, III\[\to \] A, IV \[\to \] C

    B) I \[\to \] D, II \[\to \] A, III \[\to \] B, IV \[\to \] C

    C)  I \[\to \] B, II \[\to \]A, III \[\to \] D, IV \[\to \]C

    D)  I \[\to \] C, II \[\to \] D, III \[\to \] B, IV \[\to \] A

    E)  None of these

    Correct Answer: B


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