Question

Why are silk yarns bleached?

• A. They are bleached to remove the natural odour.
• B. They are bleached to soften the natural silk yarn.
• C. They are bleached to enhance the natural colour.
• D. They are bleached to remove the yellowish tinge present.

Answer 1

The correct option is D They are bleached to remove the yellowish tinge present.

The silk yarn has a naturally yellowish tinge. So it is to be bleached to make it white. A completely white pallet is easier to dye in different colours.