Advertisements
Advertisements
Question
What kind of change is shown by tearing of paper?
Advertisements
Solution
Tearing of paper is a physical change that cannot be reversed.
APPEARS IN
RELATED QUESTIONS
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Classify the following as physical or chemical changes :
- Cooking of food
- Boiling of water
- Cutting of trees
- D0issolving salt in water
- Digestion of food
- Melting of ice
Classify the following as a physical or a chemical change.
Drying of wet clothes
Distinguish between the following.
Physical change and chemical change
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.
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
State which of the following terms connected with change of state of matter i.e.
(a) Melting
(b) Vaporisation
(c) Condensation
(d) Freezing
pertain to –
- Conversion of a liquid into a vapour or gas.
- Conversion of a liquid into a solid.
- Conversion of a solid into a liquid on heating.
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
Name the following.
A form of energy required for a chemical change.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
