MEDIUM
8th CBSE
IMPORTANT
Earn 100

What is polyester? Write any two important uses of polyesters.

Important Questions on Synthetic Materials

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 3 - Synthetic Materials>Chapter Review>Q 5
What is the source of plastic? Explain.
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 3 - Synthetic Materials>Chapter Review>Q 6
List any four necessary steps that can be taken to save environment from plastic pollution.
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 3 - Synthetic Materials>Chapter Review>Q 7
Differentiate between the following: Natural and synthetic polymers.
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 3 - Synthetic Materials>Chapter Review>Q 7
Differentiate between the following: Thermoplastics and thermosetting plastics.
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 3 - Synthetic Materials>HOTS>Q 1
Both synthetic fibres and plastics are polymers. Then what is the difference between them?
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 3 - Synthetic Materials>HOTS>Q 2
Plastics have reduced the use of metals and wood to a great extent. Is it good or bad for the environment? Explain.
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 3 - Synthetic Materials>HOTS>Q 3
Why is burning of plastics not considered a good method for their disposal? Suggest two methods for the disposal of plastics.