Question

What are the chemical properties of wool?​

Answer 1

Answer:

Wool has the following chemical properties:

1. Action of heat: It starts changing color at 100°C, but does not catch fire easily. It also become yellowish when left in a hot,humid atmosphere for a long time. So, the wool on the body of a sheep living in a hot, humid region may be yellowish.
2. Action of acids and bases: It dissolves in acids and alkalis.
3. Action of bleaching agents: The fibre can be bleached without loss of strength.

Answer 2

Effects of Acids: Wool is attacked by hot concentrated sulphuric acid and decomposes completely. It is in general resistant to mineral acids of all strength even at high temperature though nitric acids tend to cause damage by oxidation