EASY
7th ICSE
IMPORTANT
Earn 100

Which of the following substances does not sublime?

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Important Questions on Physical and Chemical Changes

EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 2
The process in which a solid directly changes to gas is called _____.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 3
The temperature at which a liquid changes into vapour is called _____.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 4
Breaking of coal into smaller pieces is a _____ change.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 5
A new substance is always formed in a _____ change.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 1
All physical changes can be reversed. 
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 2
Burning of sugar is a physical change.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 3
There is no change in the chemical composition of a substance undergoing a physical change.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 4
Burning of a candle is both a physical as well as a chemical change.