Lab Technique · Entry 09 of 42
Acid–Base Reaction / Titration-Style Endpoint
A reaction between an acid and base with a visible endpoint (fizzing, color change).
How it works in the lab
Titration is one of the most common analytical techniques: a chemist adds base from a burette to an acid sample drop by drop until an indicator flashes from clear to pink, marking the exact endpoint. From the volume added, they calculate the unknown concentration using the balanced equation and the known base concentration. Learning to add the final half drop slowly and to read the meniscus correctly is what separates a precise result from a sloppy one.
Research Findings
The working principle of titration, used to determine unknown concentrations in analytical chemistry.
Skills you gain in the lab and kitchen
- Balancing acid and base quantities in a recipe
- Observing fizzing as a sign of gas production
- Recognizing when a reaction is complete
- Substituting acids and bases predictably
- Connecting gas volume to rising power
How it shows up in baking
Baking soda and buttermilk or vinegar fizz on contact, releasing carbon dioxide that lifts pancakes and quick breads, and a baker learns by eye how much lift a given amount of soda will provide. A baker also balances acid and base on purpose, since too much soda leaves a soapy metallic taste. Both settings turn a neutralization reaction into a visible, countable signal.
Recipes that demonstrate this technique
Each card shows exactly where the technique appears inside that recipe's method.
Red Velvet Cake
The buttermilk/vinegar reacting with baking soda to produce visible bubbling — a kitchen-scale acid-base reaction with a clear, timed endpoint.
Malva Pudding
Baking soda reacting with the batter's acidic components (vinegar/apricot jam) to leaven the sponge.
Anzac Biscuits
Mixing baking soda with hot golden syrup and watching it visibly foam — a timed, visible acid-base-style reaction.