MEDIUM
6th CBSE
IMPORTANT
Earn 100

Explain the difference between physical and chemical changes, giving one example of each.

Important Questions on Changes Around Us

MEDIUM
6th CBSE
IMPORTANT
LIVING SCIENCE 6>Chapter 6 - Changes Around Us>FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q D
‘One-way changes are classified is reversible and irreversible’. Explain with examples.
EASY
6th CBSE
IMPORTANT
LIVING SCIENCE 6>Chapter 6 - Changes Around Us>FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q D
What is a chemical reaction? Explain with an example.
MEDIUM
6th CBSE
IMPORTANT
LIVING SCIENCE 6>Chapter 6 - Changes Around Us>FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q D
Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.
MEDIUM
6th CBSE
IMPORTANT
LIVING SCIENCE 6>Chapter 6 - Changes Around Us>FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q D
When a candle burns, both physical and chemical changes occur. Explain.
EASY
6th CBSE
IMPORTANT
LIVING SCIENCE 6>Chapter 6 - Changes Around Us>FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q 1
Tearing of paper is irreversible. It is therefore, a chemical change. Do you agree? Give reasons.
EASY
6th CBSE
IMPORTANT
LIVING SCIENCE 6>Chapter 6 - Changes Around Us>FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q 2
A potato remains a potato even after it is cooked. Therefore cooking is a physical change. Do you agree? Give reasons.
EASY
6th CBSE
IMPORTANT
LIVING SCIENCE 6>Chapter 6 - Changes Around Us>FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q 3
When sugar dissolves in water, it disappears. That means it must have changed into a new substance. Therefore, dissolving is a chemical change. Do you agree? Give reasons.