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प्रश्न
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
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उत्तर
Physical property
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Fill in the blank.
Heat is .................... by a gas during the process of condensation.
Classify the following changes as physical or chemical:- melting of a solid (wax)
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
Differentiate between a physical change and a chemical change with reference to – Energy change taking place during the respective 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. |
Water is known as a universal solvent. Why?
Which of the following is not a physical change?
Explain the characteristics of physical change with examples.
