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प्रश्न
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
विकल्प
Physical change
Chemical change
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उत्तर
Breaking of a glass tumbler – Physical change
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संबंधित प्रश्न
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
Match the columns
| column A | coulmn B |
| 1. A change which cannot be easily reversed | a. man-made change |
| 2.A change that repeats itself at regular intervals | b. chemical change |
| 3. A change that is made by humans | c. physical change |
|
4. A change in which the original substance cannot be obtained |
d. periodic change |
| 5. A change where no new substance is formade | e. irreversible change |
| f. slow change |
State whether the following is physical or chemical change.
Digestion of food —
Classify the following as physical or chemical change :
Growth of a plant
Classify the following as a physical or a chemical change.
Burning of coal
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Read the paragraph and note down the various types of changes it mentions.
It was nearing six o'clock in the evening. The sun was setting. A breeze was blowing. Leaves on the tree were shaking. Sahil was sitting in the courtyard, rolling balls of wet soil, and shaping them into various toys. Then he felt hungry and went into the house. Mother made a dough from wheat flour and fried purees. While eating hot purees, his attention was drawn outside the window. It had started raining. There was lightning, too. Sahil was enjoying his dinner in the dim light.
What kind of change is shown by tearing of paper?
Give an example of a physical change in which the color of the substance changes.
Explain the characteristics of physical change with examples.
