7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases and Salts

  • question_answer
    Strong base among the following is:

    A) Calcium hydroxide         

    B) Sodium hydroxide

    C) Sodium hydrogencarbonate

    D) Ammonium hydroxide

    E) None of these

    Correct Answer: B


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