Question

2 Base raw material for rayon is...
3. Plastic made from ethylene is called
4. Tensile strength of nylon is.............. than that
of cotton.
5. Melamine is a..........
plastic.​

Answer 1

Answer:

the basic raw material for making rayon must be processed in order to extract and purify the cellulose. The resulting sheets of white, purified cellulose are then treated to form regenerated cellulose filaments.

Ethylene is at this point still a gas and needs pressure and a catalyst to turn it into polyethylene, a resin. The process by which polyethylene is made from ethylene is known as polymerization

Tensile strength of nylon is stronger than that

of cotton.

Melamine is a type of plastic found in many reusable plates, utensils, and cups. The FDA has ruled that melamine is safe to use, but that you shouldn't use it in a microwave. However, if you're concerned about melamine exposure from dishware, there are other options out there. ... Melamine

Explanation: