Dr. Yogita Gupta and Deepika Sharma Solutions for Exercise 3: Exercise

Author:Dr. Yogita Gupta & Deepika Sharma

Dr. Yogita Gupta Science Solutions for Exercise - Dr. Yogita Gupta and Deepika Sharma Solutions for Exercise 3: Exercise

Attempt the free practice questions from Exercise 3: Exercise with hints and solutions to strengthen your understanding. Focus Science in Everyday Life solutions are prepared by Experienced Embibe Experts.

Questions from Dr. Yogita Gupta and Deepika Sharma Solutions for Exercise 3: Exercise with Hints & Solutions

EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 3

What are the main types of synthetic fabrics available? 

EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 4

Why is rayon called the semi-synthetic fibre? 

MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 1

What are synthetic fibres? How are they made? Explain with an example. 

EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 3

Mention the properties of rayon that make it more useful than silk. 

MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 5

List some common plastics and mention their uses. 

HARD
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 6

How are plastics harmful to the environment? Suggest some ways to counter the plastic hazard. 

MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Train Your Brain>Q 1

When a large quantity of plastics reaches oceans, in what ways does it harm marine life? 

MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Train Your Brain>Q 2

Why should we not wear clothes made of polyester while bursting firecrackers?