Dr. Yogita Gupta and Deepika Sharma Solutions for Exercise 6: Exercise

Author:Dr. Yogita Gupta & Deepika Sharma

Dr. Yogita Gupta Science Solutions for Exercise - Dr. Yogita Gupta and Deepika Sharma Solutions for Exercise 6: Exercise

Attempt the free practice questions from Exercise 6: 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 6: Exercise with Hints & Solutions

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>TRY OUT

How can you say that melting of ice is a physical change? 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>TRY OUT

Burning of paper is a chemical change. How? 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>TRY OUT

Give four examples of chemical changes from your surroundings.

MEDIUM
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>TRY OUT

What are endothermic reactions? Give two examples. 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 4

Write P for physical change and C for chemical change for the following statement. 

Freezing of water. 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 5

Write P for physical change and C for chemical change for the following statement. 

Respiration in living beings. 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 3

Give the chemical formula of the following compound:

Vinegar

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 3

Give the chemical formula of the following compound:

Table salt