Advertisements
Advertisements
Question
Given reason:
Cutting of a cloth piece is a physical change, though it cannot be reversed.
Advertisements
Solution
Because it does not change chemical composition of cloth and the change is only in the state, size, shape, colour, texture or the smell of some or all of the substances that undergo physical change.
APPEARS IN
RELATED QUESTIONS
Classify the following as chemical or physical change:
Melting of butter in a pan
Fill in the blank.
An earthquake is a .................. change.
Chemical changes are accompanied by changes in energy.
Fill in the blank
Changes that occur in nature are called ______
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
Ice kept in a beaker, slowly melts and turns into water. The water in the beaker on solidification is freezing turns back to ice. Give four reasons why the change from ice to water and water back to ice is considered a physical change.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
Give an example of a physical change in which the color of the substance changes.
Explain the characteristics of physical change with examples.
