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  5. Acids, Bases and Salts / अम्ल, क्षार एवं लवण

Railways General Science & Technology Acids, Bases and Salts / अम्ल, क्षार एवं लवण Sample Paper Acids and Bases Sample Test Paper-16

  • question_answer
    An element common to all acids is

    A)  Hydrogen         

    B)  oxygen

    C)  Sulphur

    D)  chlorine

    Correct Answer: A

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