Advertisements
Advertisements
प्रश्न
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Advertisements
उत्तर
Ice.
APPEARS IN
संबंधित प्रश्न
Which of the following are chemical changes?
- Growth of a plant
- Rusting of iron
- Mixing of iron fillings and sand
- Cooking of food
- Digestion of food
- Freezing of water
- Burning of candle
State the differences between a physical change and a chemical change.
Is burning a physical change or a chemical change? Why?
Fill in the blank
Revolution of the earth around the sun is a ________ change.
State whether the following is physical or chemical changes.
glowing of a bulb -
Fill in the blank
Changes that occur in nature are called ______
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
What will you take into account while identifying the following?
A physical change in a substance.
Photosynthesis is a natural process by which green plants manufacture food in the presence of sunlight.
State the conclusions which can be drawn, to represent photosynthesis as a physical or a chemical 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 |
