MEDIUM
7th ICSE
IMPORTANT
Earn 100

Is burning a physical change or a chemical change? Why?

Important Questions on Physical and Chemical Changes

MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 5
A burning candle shows both physical and chemical changes. Explain.
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 6
State three difference between evaporation and boiling.
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 7
State four difference between physical and chemical change.
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 8
What do you observe when water is boiled?
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 8
What do you observe when a piece of paper is burnt?
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 8
What do you observe when some ice cubes are kept in a glass tumbler?
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 8
What do you observe when solid ammonium chloride is heated?
MEDIUM
7th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 7>Chapter 2 - Physical and Chemical Changes>EXERCISE>Q 8
What do you observe when an iron nail is kept in tap water for a few days?