10th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acid, Bases and Salts

  • question_answer
    Who devised pH scale?

    A) Sorenson                           

    B) Bohr                    

    C) Sommerfeld                        

    D) Arrhenius

    Correct Answer: C

    Solution :

    Zinc granules dissolve in sodium hydroxide solution to liberate hydrogen and produce sodium zincate.


You need to login to perform this action.
You will be redirected in 3 sec spinner