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

  • question_answer
    Which one of the following statements is correct about acids?

    A) Acids are corrosive in nature

    B) Acids are not soluble in water

    C) Acidic solutions do not conduct electricity

    D) Acids do not corrode aluminium and iron     

    E) None of these

    Correct Answer: A

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