Question

SO2 is used as 1) bleaching agent 2 )disinfactant (3) antichlar 4) all​

Answer 1

Sulfur dioxide is sometimes used as a preservative for dried apricots, dried figs, and other dried fruits, owing to its antimicrobial properties, and is called E220 when used in this way in Europe. As a preservative, it maintains the colorful appearance of the fruit and prevents rotting.

ANSWER:

(3) antichlar