How is polyester made? State its two characteristics and uses.

Differentiate between thermoplastics and thermosetting plastics. Give two examples of each.

Why rayon is called a semi-synthetic fibre? State any two characteristics and uses of rayon.

State four steps that we can take to protect our environment from plastic-related pollution.

What are synthetic fibres? State any two advantages and disadvantages of synthetic fibres.

Hitesh wants to learn swimming. He bought his swimming costume and cap. What kind of material should these be made of and why?