Exams › NEET › Chemistry

Formalin is an aqueous solution of

1. Fluorescein
2. Formic acid
3. Formaldehyde
4. Furfuraldehyde

Correct answer: Formaldehyde

Solution

Formalin is a 37-40% aqueous solution of formaldehyde, commonly used as a preservative.

Related NEET Chemistry questions

• An aldehyde on oxidation gives
• The percentage of formaldehyde in formalin is:
• The addition compound obtained by treating propanone with hydrogen cyanide is:
• Carboxylic acids dissolve in NaHCO3 and evolve CO2 gas but phenols do not.
• Which of the following compounds undergoes oxidation to give acetic acid?
• The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of:

⚔️ Practice NEET Chemistry free + battle 1v1 →