7th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    Which one of the following statements is correct?
    Statement 1: The formation of biogas from animal wastes is a physical change.
    Statement 2: The formation of biogas from animal wastes is a chemical change.

    A) Statement 1

    B) Statement 2

    C) Both statements are correct

    D) Both statements are incorrect

    E) None of these

    Correct Answer: B


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