A) \[\operatorname{a} solution of 40 % HCHO and 60 % C{{H}_{3}}CHO\]
B) \[40\,%\] aqueous solution of HCHO
C) solution of fructose
D) None of these
Correct Answer: B
Solution :
\[40\,%\] aqueous solution of HCHO is known as formalin.You need to login to perform this action.
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