EASY
7th ICSE
IMPORTANT
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The temperature at which a liquid changes into vapour is called .

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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 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.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 5
Change of energy does not take place in case of a chemical change.
EASY
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 2 - Physical and Chemical Changes>EVALUATION>Q 1
Give one word for the following:
The change in which heat is absorbed.