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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 | |