Advertisements
Advertisements
Question
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.
Options
released
absorbed
Solution
The energy required for completion of a physical change is released when the change is reversed.
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
An earthquake is a .................. change.
Write short answer.
Give an example of desirable change which can also be undesirable
State three differences between evaporation and boiling
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
What is the difference between dissolution of sugar and burning of sugar ?
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a
Adding sugar to milk is a physical change.
