Question

burning oil is a chemical change justify your answer
Exam pls answer fast.

Answer 1

I justify that:
In fact, most chemical changes are difficult to reverse. When paper is burnt, it combines with oxygen to form ash and smoke. This is a chemical reaction, because new substances are formed. Burning gas in a Bunsen burner is also a chemical change.

Answer 2

In fact, most chemical changes are difficult to reverse. When paper is burnt, it combines with oxygen to form ash and smoke. This is a chemical reaction, because new substances are formed. Burning gas in a Bunsen burner is also a chemical change.