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प्रश्न
Grinding of wheat grain changes its size. It is a ____________ change.
उत्तर
Grinding of wheat grain changes its size. It is a physical change.
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संबंधित प्रश्न
How do you say that the process of digestion is a chemical change ?
Classify the following changes as physical or chemical:-boiling
State whether the following is physical or chemical changes.
water cycle in nature —
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 ?
- melting of iron metal
- rusting of iron metal
- bending of an iron rod
- drawing a wire of iron metal
Fill in the blank.
The process of a liquid changing into a solid is called ________
Fill in the blank with the appropriate word of the statement given below:
Germination of seeds is considered a __________ change.
Match the examples of changes in List I with the correct type of change in List II.
| List I | List II |
| 1. Burning of paper | A: Physical change |
| 2. The ringing of an electric bell | B: Chemical change |
| 3. Curdling of milk | |
| 4. Electric light is switched on | |
| 5. Melting of butter |
Name the following.
A form of energy required for a chemical change.
______ is the substance that is dissolved in a solvent.
