Question

I need an answer asap

Which of the following is a chemical change?
Question 4 options:

Ice melting

Glass breaking

Sugar dissolving

Nails rusting

Answer 1

Answer:

Nails rusting

Explanation:

The rest of them still have the same chemical composition such as melting ice will still have a H2O chemical composition.

Answer 2

Answer: Nails rusting

Explanation:

That the right answer because chemical change is when a new substance is formed and you can't get it back. A nail once it is rusting you CANNOT get back the original form from before back.