Question

Which of the following describes a chemical change 1. Melting butter 2. Milk spiking 3. Cutting paper 4. Water evaporation

Answer 1

2

Explanation:

Milk that is spoiled is sour, with a foul taste and odor. It can also become lumpy and curdled.

Answer 2

I'm pretty sure it's number 2 although I think you meant milk spoiling and that's a chemical change