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प्रश्न
Write true or false
Rusting of iron is a chemical change.
विकल्प
True
False
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उत्तर
True
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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.
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
Ripening of fruits is a desirable change.
State three differences between evaporation and boiling
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
State the Differences Between a Physical Change and a Chemical Change.
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Select the chemical changes from the following list of changes
The occurrence of lightning.
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. |
