How Baking Soda Reacts With Vinegar How Rust Can Be Scraped off of Metal How Metals Respond to Electrical Currents How Elements Can Change Phase When Heated
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A teacher asks her students to examine titles of four scientific articles. Which titled article is specifically about a chemical change?
Possibilities:
- How Baking Soda Reacts With Vinegar
- How Rust Can Be Scraped off of Metal
- How Metals Respond to Electrical Currents
- How Elements Can Change Phase When Heated

How Baking Soda Reacts With Vinegar