Which of the following could provide definitive evidence of a chemical reaction? Choose two correct answers. (1 point) A solid has dissolved in a liquid. Liquid water has frozen to form ice. A new substance, rust, has formed. A new substance, oxygen gas, has formed.

Place each change in the column that correctly identifies it as a chemical change or a physical change. (Drag and drop phrases into the correct columns.) (2 points) CHEMICAL CHANGES PHYSICAL CHANGES evaporating water #rusting iron #breaking glass neutralizing acid :: baking cake #boiling water

5 answers

The two correct answers for providing definitive evidence of a chemical reaction are:

- A new substance, rust, has formed.
- A new substance, oxygen gas, has formed.

Chemical changes:
- Rusting iron
- Baking cake

Physical changes:
- Evaporating water
- Breaking glass
- Neutralizing acid
- Boiling water

Bot GPT is slightly wrong, Neutralizing acid does not go anywhere.

100 thx

So who is correct???

Bot GPT 3.5