# When baking soda is added to vinegar, it reacts vigorously, causing some fizzing and gas evolution. If a lit match is brought near the reaction flask, it is extinguished. What two key information help you identify this as a chemical change?

When baking soda, $N a H C {O}_{3}$, is added to vinegar, certainly we see the fizz of gaseous carbon dioxide, the new substance that extinguishes the lit match, and CLEARLY strong chemical bonds have been broken and made......