EASY

Earn 100

Name the monomer of polypropylene.

50% studentsanswered this correctly

Important Questions on Man Made Materials

MEDIUM

Science>Chemistry>Man Made Materials>Introduction to man made materials

Why is it necessary to ban the use of plastic bags?

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

Man-made things are _____.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

Waste consisting of this material cannot be decomposed.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

Food kept in polythene bags gets contaminated due to the mixing of

MEDIUM

Science>Chemistry>Man Made Materials>Introduction to man made materials

'Avoid plastics as far as possible'. Comment on this advice.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

Plastic, metal, and ceramic material are biodegradable materials.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

Look at the list of objects in the box. Write down one of them against each property given below. You can use each object only once.

Velvet cloth

sandpaper

metal door

butter paper

coin

salt

Circular _____.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

Choose the odd one out and give reasons for your answer.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

State whether the following statement is true or false:

Plastic is considered as a boon to our society.

MEDIUM

Science>Chemistry>Man Made Materials>Introduction to man made materials

Pollution is harmful for all living beings. Give three reasons to support the statement.

MEDIUM

Science>Chemistry>Man Made Materials>Introduction to man made materials

Should the handle and bristles of a toothbrush be made of the same material? Explain your answer.

MEDIUM

Science>Chemistry>Man Made Materials>Introduction to man made materials

Categorise the materials of the following products into 'can be recycled' and 'cannot be recycled'.
Telephone instruments, plastic toys, cooker handles, carry bags, ball point pens, plastic bowls, plastic covering on electrical wires, plastic chairs, electrical switches.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

What are biodegradable and non-biodegradable wastes?

MEDIUM

Science>Chemistry>Man Made Materials>Introduction to man made materials

Outline the harmful effects of the use of plastics.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

We must stop using these bags to prevent environmental pollution.

EASY

Science>Chemistry>Man Made Materials>Introduction to man made materials

Which of the following has the most harmful effect on the environment?