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

  • question_answer
    Manisha took a little bit of soil from her garden and mixed it with water. When she dipped a blue litmus in it, the litmus turned red- By adding which of the following to her garden will she get better plant growth?

    A) Hydrochloric acid       

    B) Slaked lime

    C) Water              

    D) Salt

    Correct Answer: B

    Solution :

    The soil is acidic and should be neutralized by adding slaked lime (calcium hydroxide) which is a base.


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