1.

A 0.1 N solution of \[N{{a}_{2}}C{{O}_{3}}\] is titrated with 0.1 N \[HCl\] solution. The best indicator to be used is [NCERT 1971; DPMT 1983; AFMC 1992; CPMT 1983, 97]

A. Potassium ferricyanide
B. Phenolphthalein
C. Methyl red
D. Litmus paper
Answer» D. Litmus paper


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