EASY
6th CBSE
IMPORTANT
Earn 100

The switching on of a fan is a reversible physical change.

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Important Questions on Changes Around Us

MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 1
Give two examples to show that changes can be observed by their effects.
MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 2
Distinguish between physical and chemical changes.
MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 3
Distinguish between a reversible and an Irreversible change.
MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 4
Define chemical change.
MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 5
Describe the two changes that are seen when a candle burns.
MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 6
Why is the germination of a seed a chemical change?
HARD
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 1
State four characteristics each of physical and chemical changes. 
HARD
6th CBSE
IMPORTANT
New Science Ahead>Chapter 7 - Changes Around Us>Exercises>Q 2
Write a short note on chemical reactions.