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Question
Which of the following is a buffer solution ?
Options
A.500 ml of 0.1 N CH3COOH + 500 ml of 0.1 N NaOH.
B.500 ml of 0.1 N CH3COOH + 500 ml of 0.1 N HCl.
C.500 ml of 0.1 N CH3COOH + 500 ml of 0.2 N NaOH.
D.500 ml of 0.2 N CH3COOH + 500 ml of 0.1 N NaOH.
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