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

  • question_answer
    To make the soil fertile what a farmer should add to the soil?

    A) Slaked lime                   

    B) Quick lime

    C) Sulphuric acid

    D)        Manure

    E) None of these

    Correct Answer: D


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