chemical physical magnetic electric
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: In a classroom demonstration, a teacher pours sulfuric acid on some granulated sugar in a beaker. The sugar turns yellow and then black. Smoke rises and a strong smell is released. This demonstration is an example of what kind of change?
Possibilities:
- chemical
- physical
- magnetic
- electric

chemical