--- title: Acids in the kitchen — a lesson of Mova's school · trees and pragmatics description: «Acids in the kitchen», a lesson of the chemistry course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: Suck a slice of lemon and your whole face screws up. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/) / Acids in the kitchen # Acids in the kitchen Lesson 15 of the chemistry course of Mova's primary school: 22 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/chemistry/15-acids-in-the-kitchen/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/0/) — Suck a slice of lemon and your whole face screws up. - [1](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/1/) — That sharp, sour taste is the taste of an acid: lemons are full of citric acid. - [2](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/2/) — Acids are a big family of substances that taste sour and react with many things. - [3](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/3/) — Weak acids are all over the kitchen: vinegar on your chips, the tang of yoghurt, the sharpness of oranges, tomatoes and fizzy drinks. - [4](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/4/) — Squeeze lemon into warm milk and it suddenly forms lumps: the acid makes the milk's proteins clump together. - [5](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/5/) — Cheese-makers use exactly this trick to make soft cheeses like paneer. - [6](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/6/) — Strong acids are a different story. - [7](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/7/) — Your stomach makes a strong acid to digest food and kill germs, and a car battery holds a strong acid that can burn skin and eyes, which is why batteries carry warning signs and must never be opened. - [8](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/8/) — Sour tastes come from acids; lemons contain citric acid, and sour sweets are dusted with acid powder that stings the tongue. - [9](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/9/) — Acidic food, like tomato or lemon, makes a sore spot in the mouth sting. - [10](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/10/) — Vinegar is water with acetic acid in it, made by bacteria from wine or cider. - [11](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/11/) — Most germs cannot grow in acid, so pickles keep for months in vinegar. - [12](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/12/) — Fizzy drinks are slightly acidic, because carbon dioxide in water makes a weak acid, and some colas also have phosphoric acid added. - [13](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/13/) — Acid softens tooth enamel for a short time, so it is better to wait a while after a fizzy drink before brushing. - [15](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/15/) — Heartburn is when some stomach acid comes up into the food pipe. - [16](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/16/) — Ants and nettles inject formic acid and other chemicals that irritate the nerves in your skin. - [17](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/17/) — Dock leaves on nettle stings help mostly because rubbing and coolness soothe; they are not a strong chemical cure. - [18](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/18/) — Acid makes milk proteins clump into lumps; cheese-makers use this to make soft cheese like paneer. - [19](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/19/) — Car batteries contain a strong acid that burns skin and eyes, so they must never be opened. - [20](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/20/) — Gases from factory and car smoke dissolve in raindrops and make acid rain, which damaged forests and stone buildings; cleaner factories have reduced it a lot. - [21](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/21/) — Bacteria in yoghurt turn milk sugar into lactic acid, which makes it thick and tangy. - [22](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/22/) — Unripe fruit is more acidic; as fruit ripens, sugar goes up and acid goes down. - ← previous: [Tarnish and how metals change](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/) - next →: [Alkalis and soda, and how they cancel acids](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/16-alkalis-and-soda/) - ↑ back to [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/)