What must always happen in order for a chemical reaction to occur?

A A new substance is produced.A new substance is produced.
B A liquid is formed.A liquid is formed.
C A bad odor is released.A bad odor is released.
D Objects disappear completely.

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
2 hours ago

A new substance is produced.

Therefore, the correct answer is: **. A new substance is produced.

In order for a chemical reaction to occur, chemical bonds are broken and new bonds are formed, resulting in the creation of new substances. The other options (B, C, and D) are not required for a chemical reaction to take place.