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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Hydrogenion concentration pH scale and buffer solution

  • question_answer
    The addition of solid sodium carbonate to pure water causes [NCERT 1973]

    A)                 An increase in hydronium ion concentration

    B)                 An increase in alkalinity

    C)                 No change in acidity       

    D)                 A decrease in hydroxide ion concentration

    Correct Answer: B

    Solution :

                    Adding \[N{{a}_{2}}C{{O}_{3}}\] to water makes the solution basic and hence a pH increases from 7.


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