Question

63. Select the correct name from the choice A, B or C in each case.
A chemical used as a preservative for jams, pickles etc.

• A. Titanium dioxide
• B. Rayon
• C. Benzoic acid

Answer 1

The correct option is C

Benzoic acid

The explanation for the correct option:

(C):

• Food preservatives are ingredients or chemicals that are added to foods or beverages to help them last longer.
• Benzoic acid is used as a preservative for Jams, pickles, carbonated drinks etc.

The explanation for incorrect options:

(A)

Titanium dioxide$\left({\mathrm{TiO}}_2\right)$ is used as a bleaching and opacifying agent, in porcelain enamels giving them brightness, hardness, and acid resistance.

(B)

Rayon has very tiny fibres, allowing it to breathe better than other clothes and giving it a lightness that keeps it from adhering to the body in hot temperatures.

Hence, the correct answer is an option (C).