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प्रश्न
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
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उत्तर
There is no change in the composition of the substance during a physical change.
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संबंधित प्रश्न
Changes in which only ______ properties of a substance change are called physical changes.
Write short answer.
Name two reversible changes.
State whether the following is physical or chemical changes.
water cycle in nature —
True or false
Is the process of digestion a physical change?
Sublimation is classified as a physical change. Why ?
Give four difference between physical and chemical changes.
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. |
Distinguish physical and chemical changes.
Which of the following is not a physical change?
Mention some of the different conditions needed for chemical changes to occur.
