SSC
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
is evaporating gasoline
|
|
chemical change
|
|
|
physical change
|
|
|
Either A or B
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -The only change is a change of phase caused by temperature and pressure. Therefore, evaporation, the phase change from liquid to gas, is a physical change.
Detailed explanation-2: -Freezing, boiling, and evaporation are all examples of physical change.
Detailed explanation-3: -Explanation: It is a physical change because it is going from the liquid phase to the gas phase. It is not a chemical change because it is still made of two hydrogen atoms and an oxygen atom.
There is 1 question to complete.