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प्रश्न
Write true or false
Rusting of iron is a chemical change.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Dissolving common salt in water.
State the various conditions that favour the process of evaporation.
Define physical change. Give two examples for the above changes.
True or false
In a physical change no net energy change is involved.
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
Classify the following as a physical or a chemical change.
Drying of wet clothes
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
Change is the law of nature which occurs in everyday life.
State when a substance [i.e. matter] undergoes a kind of change.
Physical Change: Boiling::Chemical Change: ______.
Cutting a log of wood into pieces is a chemical change.
