A student smells a flower. A teacher lights a candle. A student colors a paper blue. A teacher feels a rough cloth.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which results in a chemical change?
Possibilities:
- A student smells a flower.
- A teacher lights a candle.
- A student colors a paper blue.
- A teacher feels a rough cloth.

A teacher lights a candle.