Synthetic Fibres and Plastics

Extra Questions

Question 1: Which of the following is an example of animal fibre?

Question 2: Nylon was discovered in which year?

Question 3: Which of these is an example of plastic?

Question 4: Polywool is a mixture of which substances?

Question 5: Plastic bags are generally made from which plastic?

Question 6: Thermoplastic is used for making which of the following?

Question 7: Which material is used for making bottles and jars?

Question 1: Define synthetic fibre?

Answer: Fibre which is made by humans is called synthetic fibre.

Question 2: Define polymer?

Answer: A chain of a particular chemical substance is called a polymer.

Question 3: What is the component of polyester?/p>

Answer: Ester

Question 4: What is the full form of PET?

Answer: Poly Ethylene Terephthalate

Question 5: What is the full form of PVC?

Answer: Polyvinyl Chloride

Question 6: Which synthetic fibre is also known as ‘poor man’s silk’?

Answer: Rayon

Question 7: Which synthetic fibre is also known as artificial wool?

Answer: Acrylic

Question 8: Define thermoplastic?

Answer: A plastic which can be easily bent and reshaped is called thermoplastic.

Question 9: Define thermosetting plastic?

Answer: A plastic which cannot be bent or reshaped is called thermosetting plastic.

Question 10: What do you understand by biodegradable material?

Answer: A material which can be decomposed by microbes is called a biodegradable material.

Question 11: What do you understand by non-biodegradable material?

Answer: A material which cannot be decomposed by microbes is called a non-biodegradable material.