HARD
Earn 100

Select the correct uses of polystyrene.

50% studentsanswered this correctly

Important Questions on Man Made Materials

EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
How do natural fibres differ from synthetic fibres with respect to: moisture absorbent.
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
Why should we not wear clothes made of synthetic fibres (like nylon or polyester) while working in the kitchen?
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
Which of the following is not a synthetic fiber?
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
Which synthetic fibre is also called artificial silk?
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
What type of shirts should we buy for summer: cotton shirts or shirts made from synthetic materials (like polyester)? Give reason for your answer.
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
The fibres that are made by human beings:
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
How do natural fibres differ from synthetic fibres with respect to crease resistance?.
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials

Write down properties of teflon.

MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
What is acrylic? State one important property of acrylic.
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
What is polymer unit of cotton?
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
What are synthetic fibres?
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
Write the uses of acrylic fibres.
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
The natural fibres are made from simple molecule that is known as _____ .
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
Why should housewives not wear synthetic wear while working on a stove in the kitchen?
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
You must not wear synthetic fibers while working with fire because ________.
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
State one disadvantage of using synthetic fibres for making clothes.
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
Many small units combine to form a large single unit called?
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
Synthetic fibres are made using ________ as raw materials.
EASY
Science>Chemistry>Man Made Materials>Introduction to man made materials
What is PET?
MEDIUM
Science>Chemistry>Man Made Materials>Introduction to man made materials
Explain how, manufacturing of synthetic fibres is actually helping in the conservation of forests.