2nd Class Science Rocks and Soil Question Bank Rock and Minerals

  • question_answer 22) Which of the following is a correct statement?

    A)  Marble is a soft rock.

    B)  Diamond is a soft rock.

    C)  Slate is a soft rock.

    D)  Graphite is a hard rock.

    Correct Answer: C

    Solution :

    Slate is a soft rock, marble is a hard rock, diamond is the hardest rock, and graphite is a smooth rock.

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