Advertisements
Advertisements
प्रश्न
Give two examples for the following case:
Physical changes which are not reversible
Advertisements
उत्तर
- Cutting of paper
- Breaking of glass
APPEARS IN
संबंधित प्रश्न
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
Fill in the blank
Revolution of the earth around the sun is a ________ change.
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
Which of the following are physical changes and which are chemical changes ?
Rusting of iron
The rusting of an iron object is called :
Classify the Following as a Physical Or a Chemical Change.
Making of a Sugar Solution
Filling up a balloon with hot air is a _______ change.
Mention a few physical properties of a substance.
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
