Which chemical is used for whitening (or removal of colours) of cloth in cloth industries?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. Calcium oxychloride.
Calcium oxychloride, commonly known as bleaching powder, is a key chemical used in the textile industry for whitening and removing colors from cloth. Its effectiveness stems from its ability to release chlorine, a powerful oxidizing agent. This chlorine reacts with the colored molecules in the fabric, breaking them down and making them colorless. The bleaching process is essential for preparing fabrics for dyeing and printing.