HARD
8th ICSE
IMPORTANT
Earn 100

Define sublimation. How is the sublimation of camphor a physical change?

Important Questions on Physical and Chemical Changes

HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q F
What is a chemical reaction? Give an example of a chemical reaction.
HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q F
Explain how the total mass of substances remain unchanged during a chemical change.
HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q F
Write any three characteristics of physical and chemical changes.
HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q F
Differentiate between a physical and chemical change.
HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q 1
Place an inflated balloon near a lighted bulb. The bulb should be lighted for past half an hour. Record your observations. What change do you see in the balloon? Is it a physical change or a chemical change?