MEDIUM
8th ICSE
IMPORTANT
Earn 100

Sublimation of camphor is an example of a physical change.

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Important Questions on Physical and Chemical Changes

EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for the process of phase transition from solid to gas without entering in the liquid phase.
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for the substances that react in a chemical reaction. (Product/ Reactant)
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for the substances formed during a chemical reaction. 
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for the chemical reaction that occurs with the release of heat energy. 
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for another name for the chemical change. (Chemical reaction / Chemical equation)
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q E

Classify the following into physical and chemical change.

Burning of paper, photosynthesis, breaking a glass tumbler, sublimation of camphor, curdling of milk, digestion, cooking of food, conversion of liquid water into water vapours, rotting of eggs, ripening of fruit, decaying of leaf

MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q F
What is a physical change? Explain it with two examples.
HARD
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q F
Define sublimation. How is the sublimation of camphor a physical change?