Question

1. Write the use of synthetic fibres in our daily life.
2. Explain why plastic containers are favoured for storing food
3 What is PET? Mention its uses.
4. What is rayon? Highlight the uses of rayon
5. What is 4R's principle?​

Answer 1

Answer:

Who had imprisoned Rajyashree? A. Chandragupta B. Devgupt C. Samudragupta. D. Vishnugupt

Answer 2

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1. Write the use of synthetic fibres in our daily lives.

• It helps to make synthetic clothes
• It helps to sticth the synthetic clothes.
• It is mainly used for fishing.
• These synthetic fibres help to carry things.
• These fibres will help by making ropes.
• These helps by making seat belts for cars.

2.Explain why plastic co tainers are favoured for saving food?

• They are good than other containers.
• They are light weighted.
• They are afforable.
• They are easyily handling.
• They are used to carry food to everywhere because of some weight and can keep in plastic cover or bag.

3.What is PET? what are the uses ?

• PET full form is polethylene Terephthalate.
• So this plastic is used for carrying foods,water.
• These are very light weight.
• It has nice good has for storing like moisture,oxygen etc.
• It is very strong.
• It is used easy for transport like carrying in bags or covers.
• Bottles to carry water,plastic boxes to store foods.

4.What is rayon ? mention it's uses ?

• Rayon is a natural fibre which is used for clothing.
• It has some cellular fibres.
• These are mostly used in garmets.
• This is more expensive.
• They are used in textiles for makings sarees,chudiadars etc.
• They are used to nake bedsheets,blanket.
• It is used in medical form as bandages.
• It can be used to make carpets.

5.What are 4'Rs principle?

• Reduce
• Reuse
• Recycle
• Repurpose