EASY
8th CBSE
IMPORTANT
Earn 100

Name some objects made of plastic. 

Important Questions on Synthetic Fibres and Plastic

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 9

Differentiate between: 

Natural and synthetic fibres. 

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 9

Differentiate between: 

Rayon and silk. 

HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 9

Differentiate between: 

Thermoplastic and thermosetting plastic. 

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 10

Bakelite is best suited for making electrical switches. Comment. 

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 11
Melamine is preferred to make kitchenware. Give reason. 
HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 12

Why has the government banned the use of polythene bags? 

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 13
What are the benefits of using plastic to store things? 
HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 4 - Synthetic Fibres and Plastic>EXERCISE>Q 1

Write the characteristics and uses of the following:

Rayon.