Thermocol - class-VI
Description: thermocol | |
Number of Questions: 22 | |
Created by: Karuna Seth | |
Tags: zoology soil pollution waste management synthetic fibres and plastics manmade materials polymer chemistry conservation of environment environmental issues fibres and plastics chemistry biology garbage in, garbage out materials cleanliness and hygiene dealing with garbage man made materials |
Electrical wires have a coating of an insulated material. The material generally used is :
Which of the following is thermoresistant polymer ?
State true or false.
The plastics which soften upon being heated but regains all its original properties on cooling are known as:
Plastic can be used for:
______ are the substances are capable of molding and casting into various shapes and sizes.
Which of the following is used in automobile battery casings?
These are generally the bad conductors of heat :
Which out of the following is used for making disposable cups?
These processes can be used to prevent health hazards of plastics
Plastics are mainly used by everyone because :
Which of the following are examples of transparent material?
Which of the following object(s) is/are made of plastics?
Which of the following material is not used in making plate?
Polymeric organic materials are called:
The use of plastic material polyesters is in:
Polyblend is ___________________.
The materials like plastics are not acted upon by physical process.
Give are the sets of terms. Identify the odd term. Write the category of the other.
Ecological imbalance in the biosphere is created by
What is the best method to avoid pollution by using plastic bags?
Who proved that blends of polyblend (plastic waste) and bitumen, when used to lay roads, enhanced the bitumen's water repellent properties and helped to increase road life?