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WorksheetsSynthetic Fibers and Plastics
Total questions: 14
Worksheet time: 9mins
The first synthetic fiber is________. It was made in the year_____
Nylon ,1930
Nylon ,1931
Nylon ,1932
Rayon ,1931
A) Sprite can is a Biodegradable Material.
B) Paper takes 10 to 30 to Degenerate.
Both are True
Both are False
Option A is True & Option B is False
Option B is True & Option A is False
Which of the following is a thermoplastics.
Polyvinyl Chloride
Utensils
Floor tiles
All of the above
plastic Container
Define Melamine ?
It is a versatile material and It resists fire.
It is a versatile material. and It catches fire very easily.
It is a poor conductor of heat and It catches fire very easily.
It is a poor conductor of heat and It resists fire.
Which is the weakest fiber.
Wool
Cotton
Silk
Nylon
(a) Is the best fiber for making Parachutes.
(a) is the fiber obtained by chemical treatment of wood pulp.
Terylene is a popular polywool
TRUE
FALSE
When we burn natural fiber it smells like__________ , Because natural fibers are ___________________ fiber.
Burning Hair , Protein Fiber
Burning Hair , Manufactured Fiber
Burning paper , Protein Fiber
Burning Paper , Manufactured Fiber
Which of the following is false about Synthetic Fiber.
Less Expensive
Dry Quickly
Durable
More Comfortable
Do not melt on heating
Plastic is used for covering wires and Screw drivers. Because ____________
Plastics are poor Conductor of heat and electricity.
Plastics are good Conductor of heat and electricity.
Plastic is hard and Durable
Plastics are poor Conductor of heat
Iron can't be used to store chemicals but plastic can be used. Why?
Iron gets rusted when left exposed to moisture.
Iron gets rusted when left exposed to fire
Iron gets rusted when left exposed to air
All of the above
It was formed from Coal , Water and air.
Nylon
Rayon
Acrylic
All of the above
(a) is used for making non-sticky coating on cook wares
