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प्रश्न
Which of the following are physical changes and which are chemical changes ?
Rusting of iron
विकल्प
Physical change
Chemical change
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उत्तर
Rusting of iron – Chemical change
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Cutting a log of wood into pieces is a chemical change.
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- reversible change
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Write true or false for the statement.
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Classify the following as physical or chemical changes :
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- Cutting of trees
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Classify the following as physical or chemical change :
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Classify the following as a physical or a chemical change.
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Select the correct answer from the choice given below to complete the sentence
The dissolution of lead nitrate in water is deemed as a _________ change.
Classify the following changes as physical and chemical changes
A rough piece of wood is sanded and polished resulting in change in texture, Rusting of a iron nail, Painting the grill, Bending a paper clip, Pounding silver into thin plate, Rolling the chappathi dough into thin wire, Occurrence of day and night, eruption of volcano, burning of matchstick, dosa from the batter, blinking of eyelids, occurrence of a thunderstorm, rotation of the earth, formation of eclipses.
| Sr. No. | Physical changes | Chemical changes |
| 1. | ||
| 2. |
What is the difference between dissolution of sugar and burning of sugar ?
