Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below to complete the sentence
The energy required for completion of a physical change is ______________ when the change is reversed.
पर्याय
released
absorbed
Advertisements
उत्तर
The energy required for completion of a physical change is released when the change is reversed.
APPEARS IN
संबंधित प्रश्न
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Tick the most appropriate answer.
Physical changes are
A physical change is temporary. Explain.
What is a physical change ? Give two examples of physical changes.
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Select the chemical changes from the following list of changes
Breaking of glass
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Grinding of wheat grain changes its size. It is a ____________ change.
Iron pipes coated with zinc do not get rusted easily.
Mention a few physical properties of a substance.
