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प्रश्न
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
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उत्तर
Sublimation involves a physical change.
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संबंधित प्रश्न
Write short answer.
Sublimation is classified as a physical change. Why ?
Classify the following changes as physical or chemical: curdling of milk
State four differences between physical and chemical changes.
State whether the following is physical or chemical changes.
burning of sugar —
Tick the most appropriate answer.
Physical changes are
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Select the chemical changes from the following list of changes
Change of seasons
Select the chemical changes from the following list of changes
Preparation of carbon dioxide from calcium carbonate & dilute hydrochloric acid.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
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. |
