Multiple choice general knowledge science & technology Folic acid is a chemical name of which vitamine? B1 B9 B7 B12 Reveal answer Fill a bubble to check yourself B Correct answer Explanation Folic acid is the synthetic form of Vitamin B9, also called folate. It's essential for DNA synthesis and red blood cell formation. Vitamin B1 is thiamine, B7 is biotin, and B12 is cobalamin.