What is a chemical change ?

Important Questions on Physical and Chemical Changes

EASY

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Quick Response>Q 1

Give any two examples of physical change.

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Quick Response>Q 2

How is a chemical change different from physical change ?

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Quick Response>Q 3

Give any two examples of chemical change from your surroundings?

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Quick Response>Q 4

What is crystallisation?

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Quick Response>Q 5

What happens when baking soda is added to vinegar?

EASY

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Chapter Review>Q 1

Which of the following is a physical change.

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Chapter Review>Q 2

A chemical change among the following occurs when :

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Chapter Review>Q 3

Which of the following is not a chemical change.