
Synthetic Fibres
Presentation
•
Chemistry
•
8th Grade
•
Hard
Jia Wadhwani
Used 5+ times
FREE Resource
7 Slides • 0 Questions
1
Synthetic Fibres
by Jia Wadhwani
2
What are synthetic fibres??
Synthetic fibres are made up of small units of substance which combine to form a large single unit called polymer. The examples of synthetic fibres are rayon, nylon, polyester, acrylic, etc.
POLY MER
3
Plastics
Types (depending on arrangement of units)
Linear
Cross - linked
4
Categories
Thermoplastic - which can be melted easily, deformed on heating. Ex- PVC, Polyethene
Thermosetting - which cannot bend easily, not deformed on heating. Ex- Bakelite, Melamine.
5
Advantages of Plastics
Available in different shapes
Durable and long lasting
Fire resistant
Non - reactive
Light in weight
Cheap
Good strength
Available in - opaque, transparent and translucent
Does not get corroded
Easy to handle
6
Disadvantages of Plastics
Disposal - Most of the plastics are non - biodegradable and lead to accumulation
Animals are choked due to consumption of plastics. (Land pollution)
They choke drainage systems which lead to floods
They produce harmful gases on burning which leads to air pollution
They affect marine life. (water pollution)
7
​
​
Synthetic Fibres
by Jia Wadhwani
Show answer
Auto Play
Slide 1 / 7
SLIDE
Similar Resources on Wayground
6 questions
Rotations on a Coordinate Plane
Presentation
•
8th Grade
6 questions
Compounds
Presentation
•
8th Grade
8 questions
Product of Powers vs Power of Powers
Presentation
•
8th Grade
8 questions
Standard Form to Scientific Notation
Presentation
•
8th Grade
7 questions
4.1 Representing Linear Nonproportional Relationships
Presentation
•
8th Grade
4 questions
Exothermic or endothermic?
Presentation
•
8th Grade
6 questions
Find missing angles in a Triangle
Presentation
•
8th Grade
6 questions
atomic structure
Presentation
•
7th Grade
Popular Resources on Wayground
20 questions
Math Review
Quiz
•
3rd Grade
15 questions
Fast food
Quiz
•
7th Grade
20 questions
Context Clues
Quiz
•
6th Grade
20 questions
Inferences
Quiz
•
4th Grade
19 questions
Classifying Quadrilaterals
Quiz
•
3rd Grade
20 questions
Figurative Language Review
Quiz
•
6th Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
10 questions
Identify Fractions, Mixed Numbers & Improper Fractions
Quiz
•
3rd - 4th Grade