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प्रश्न
Fill in the blank.
The process of a liquid changing into a solid is called ________
उत्तर
The process of a liquid changing into a solid is called freezing.
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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
The rusting of an iron object is called :
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
Classify the following as a physical or a chemical change.
Burning of coal
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Slow and fast change.
Give three reasons why melting of wax, is considered a physical change while burning of a candle, a chemical change.
Compare the energy changes involved during a physical and a chemical change.
What is the difference between dissolution of sugar and burning of sugar ?
