EASY
8th CBSE
IMPORTANT
Earn 100

Name the unit of which cellulose polymer is made.

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Important Questions on Materials in Daily Life

EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 8
Name the chemical nature of a unit of which natural wool fibre is made. (Fats/ proteins/ Carbohydrates)
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 9

Why do we find sparks between our body and the polyester (terylene) shirt while taking it off?

EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 10
Which property of acrylic makes it suitable for use as synthetic wool?
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 11
Give two uses of acrylic.
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 12
Which synthetic fibre is also called artificial silk?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 13
You may break a cotton thread by pulling its two ends apart with your hands but not a thread made from nylon. Why?
HARD
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 14
What do the following stand for: (give one use of each) • LDPE, • PP • PVC • PS • PTFE • PU • PET • HDPE
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 3 - Materials in Daily Life>EXERCISES>Q 15
What are the properties of plastic which has made it more useful material?