Question

Which of the following are chemical changes?

Select all that apply:
A) gasoline is evaporated,
B) water is frozen,
C) water is boiled,
D) water is heated up,
E) gasoline is burned

Answer 1

Gasoline is burned having the chemical reaction:
Gasoline + 02 --------------------> CO2 + H20
Since conversion of gasoline into carbondioxide(gas) and water(liquid) is the the chemical change.
Others are physical change.
So , according to above explanation.
E) gasoline is burned is the correct answer.