Exams › NEET › Chemistry

Which of the following is used as a food preservative?

1. Aldehydes
2. Ketones
3. carboxylic acid
4. Alcohol

Correct answer: carboxylic acid

Solution

Carboxylic acids are used as food preservatives because many of them inhibit the growth of bacteria, yeast, and molds. Common examples include benzoic acid and sorbic acid, which help extend shelf life.

Related NEET Chemistry questions

• A ketone has molar mass \( 86 . \) Which of the following cannot be IUPAC name of this ketone?
• The products are : Products \( P, Q, \) and \( R \) are: \( (\mathrm{I}) \)
• The reaction \( \boldsymbol{C} \boldsymbol{H}_{2}=\boldsymbol{C} \boldsymbol{H}_{2}+ \) \( \boldsymbol{H}_{2} \underbrace{\frac{N i}{250-300^{\circ}}} \boldsymbol{C} \boldsymbol{H}_{3}-\boldsymbol{C H}_{3} \) is called
• Which of the following hydrocarbon exists mostly in solid or liquid form under the earth surface?
• Acetic acid is obtained when:
• Give the type of isomerism exhibited by each of the following pairs. n-Butyl alcohol and diethyl ether

⚔️ Practice NEET Chemistry free + battle 1v1 →