Advertisements
Advertisements
प्रश्न
State whether the following is physical or chemical changes.
Slaking of lime —
उत्तर
chemical change.
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
Define physical change. Give two examples for the above changes.
State four differences between physical and chemical changes.
Fill in the blank
Revolution of the earth around the sun is a ________ change.
State whether the following is physical or chemical changes.
mixing oil with water —
State the Differences Between a Physical Change and a Chemical Change.
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
Ice kept in a beaker, slowly melts and turns into water. The water in the beaker on solidification is freezing turns back to ice. Give four reasons why the change from ice to water and water back to ice is considered a physical change.
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a
The change of state of a substance from solid to liquid and liquid to gas is ______.