7th Class Science Sample Paper Science Olympiad Model Test Paper-4

  • question_answer
    The salt, which form a neutral solution on dissolving into water are called neutral salt. Choose the neutral salt from the following?

    A) Nitrogen sulphide

    B)        Sodium chloride

    C) Ammonium chloride       

    D) Ammonium sulphate

    E) None of these

    Correct Answer: B


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