EASY
Earn 100

What are biodegradable and non-biodegradable wastes?

Important Questions on Synthetic Fibres and Plastics

MEDIUM
Which resin is prepared from urea and formaldehyde?
MEDIUM
You must have come across the three 'R's to save the environment: Reduce, Recycle and Reuse. Explain Reduce in detail.
MEDIUM
'Avoid plastics as far as possible'. Comment on this advice.
EASY
A material which is not easily decomposed by natural processes is termed as?
MEDIUM

Polythene bags are non-biodegradable. They collect in our surroundings and pollute the soil and water. Old cotton fabric and even old denim cloth can be used to make bags to carry vegetables, fruits, milk sachets and other household items. This would reduce the use of polythene bags.

Do you think polythene bags make your surroundings unclean?

EASY
Which of the following is a use of Bakelite?
EASY
Explain the difference between thermoplastic and thermosetting plastics.
MEDIUM
​​​​What should we not do to save natural resources?
EASY

Which is a type of plastic used for nonstick coating on cookwares?

EASY
Plastic, metal, and ceramic material are biodegradable materials.
MEDIUM

Polythene bags are non-biodegradable. They collect in our surroundings and pollute the soil and water. Old cotton fabric and even old denim cloth can be used to make bags to carry vegetables, fruits, milk sachets and other household items. This would reduce the use of polythene bags.

Should vegetable vendors and shopkeepers sell goods in polythene bags?

EASY
Which of the following is an example of thermosetting plastic?
EASY
Which of the following is an example of thermoplastics?
EASY
Choose the odd one out and give reasons for your answer.