HomeChemistryFormalin is _______ % solution of formaldehyde in water 6. Formalin is _______ % solution of formaldehyde in waterBy Admin / September 17, 2025 A. 10% B. 20% C. 40% D. 60% ✅ The correct answer is option C.
6. Which of the following is the strongest acid? Leave a Comment / Carboxylic Acids MCQs, Chemistry / By Admin
2. The mass of one mole of an electron is Leave a Comment / Chemistry, Chemistry Diagnostic Test MCQs / By Admin