MEDIUM
6th CBSE
IMPORTANT
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Write three differences between physical changes and chemical changes. 
 

Important Questions on Changes Around Us

MEDIUM
6th CBSE
IMPORTANT
Write one instance in which both physical and chemical changes take place simultaneously.     
 
MEDIUM
6th CBSE
IMPORTANT
How is making a sugar solution a reversible change?
MEDIUM
6th CBSE
IMPORTANT
Are changes important to us? Explain with examples. 
MEDIUM
6th CBSE
IMPORTANT
What are reversible changes and irreversible changes? Explain giving examples for each.  
 
MEDIUM
6th CBSE
IMPORTANT
Desirable changes sometimes become undesirable. Explain the statement by giving two examples. 
MEDIUM
6th CBSE
IMPORTANT
Mention any three changes that can be brought about by heating. Explain how these changes can be done.
MEDIUM
6th CBSE
IMPORTANT
What type of change is separating butter from milk? Give reason for your answer.
MEDIUM
6th CBSE
IMPORTANT
All chemical changes are irreversible. Justify.