Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Organic Chemistry
Oxalic acid may be distinguished from tartaric acid by
1
Sodium bicarbonate solution
2
Ammoniacal silver nitrate solution
3
Litmus paper
4
More than one of the above
5
None of the above