Advertisements
Advertisements
प्रश्न
Make a list of different types of changes with example.
उत्तर
Different types of changes are as under :
- Reversible Change e.g. Melting of ice.
- Irreversible Change e.g. Burning of paper.
- Periodic Change e.g. Swinging of pendulum.
- Non-Periodic Change e.g. Occurrence of floods.
- Desirable Change e.g. Ripening of fruits.
- Undesirable Change e.g. Rusting of Iron.
- Natural Change e.g. Changing of Seasons
- Man-Made Change e.g. Changing the direction of flow of a river by dams.
- Slow Change e.g. Growth of a plant
- Fast Change e.g. Occurrence of lightning during thunderstorm.
- Physical Change e.g. transformation of ice.
- Chemical Change e.g. curdling of milk.
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Changes in which only ______ properties of a substance change are called physical changes.
Write true or false
A natural change can also be a desirable change.
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
Select the chemical changes from the following list of changes
Breaking of glass
Digestion of food is a physical change.
In a solution of salt in water, water is the solute
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
