Oxalic acid may be distinguished from tartaric acid by

1.	Oxalic acid may be distinguished from tartaric acid by
A.	Sodium bicarbonate solution
B.	Ammonical silver nitrate solution
C.	Litmus paper
D.	Phenolphthalein
Answer» C. Litmus paper

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Oxalic acid may be distinguished from tartaric acid by

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