Question

Sub: SCIENCE
SYNTHETIC FIBRES AND PLASTICS
WORKSHEET-I
I. Fill in the blanks
1. Silk is a______ fibre
2. Complex chemical molecules made of many types of single units are_______
3. Gunny bags are used for storage of food grains made up of________
4 Plastic is a________
5.___________is used for making parachute fibres
​

Answer 1

Answer:

1. cellulosic

2. COMPLEX MOLECULES

3. Farmers store food grains in jute or gunny bags after harvesting. ... The primary reason is that gunny bags prevents grains from exposure to moisture and protects it from insects and bacteria's.

4. SYNTHETIC FIBRE

5. NYLON

Explanation:

Answer 2

Answer:

1) Natural

2)Complex polymer

3)Jute

4)Synthetic fiber

5)Nylon Fabric

Explanation:

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