Synthetic Fibres and Plastics - II
Description: Synthetics fibers & plastics - II | |
Number of Questions: 25 | |
Created by: Garima Pandit | |
Tags: Synthetics fibers & plastics - II Environmental Effects of Plastics Plastics and their Types Synthetic Fibers Polymers Properties of Synthetic Fibres and their Applications |
Which of the following properties make thermosetting plastics differ from thermoplastics?
What is 4R principle?
Plastic material is swallowed by cows from garbage dumps. Which part of their bodies gets affected by this?
Which of the following is not a thermosetting plastic?
Which of the following properties do thermoplastics not possess?
Thermosetting plastics cannot be softened by heating because _____.
Bakelite is used for making electrical switches and handles of various utensils because
What are thermoplastics?
Which of the following plastics is used for non-stick coating on cookware?
Handles of frying pans are made up of plastic. This is because plastic is a _____.
Which of the following properties makes plastic suitable for storing various kinds of chemicals and pickles?
Why are handles of screw driver and tester made of plastics?
Why do electric wires have a plastic covering?
Which of the following is a fire proof plastic?
Why are electric plugs, switches and plug boards made of thermosetting plastics?
Why is disposal of plastics a major problem?
Which of the following materials is not environment friendly?
Which of the following substances decompose(s) within one or two weeks?
Which property of melamine plastics enables them to make fire men uniform?
Why substances like tin, aluminium metal cans are advised to be banned?
Which of the following is not a non–biodegradable substance?
Which of the following materials cannot be recycled again?
How are plastic bags different from jute or cotton bags?
Which of the following practices is not environment friendly?
Which of the following chemicals has a fruity smell?