MEDIUM
7th CBSE
IMPORTANT
Earn 100

Why do silk and wool fabrics give out a smell like that of  burning hair on burning? Do you think cotton fabric also smells the same when burnt? Why  or why not?

Important Questions on Fibre to Fabric

EASY
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 1
Cotton is crease resistant
EASY
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 2
Silk fibres absorb very little water.
HARD
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 3
Cotton is obtained from the plant stem.
EASY
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 4
Retting is used to separate cotton from its plant.
EASY
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 5
Wool helps to retain body heat.
HARD
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 6
Dacron is man-made fibre
MEDIUM
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 7
Cotton clothes are easy to maintain.
MEDIUM
7th CBSE
IMPORTANT
The Science Hub>Chapter 3 - Fibre to Fabric>Warm-up>Q 8
Cotton catches fire easily.