--- title: Cleaning chemicals and safety at home — a lesson of Mova's school · trees and pragmatics description: «Cleaning chemicals and safety at home», a lesson of the chemistry course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: Open the cupboard under the kitchen sink and you will find bottles of real, strong chemicals: bleach, toilet cleaner, oven spray, --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/) [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/) / Cleaning chemicals and safety at home # Cleaning chemicals and safety at home Lesson 25 of the chemistry course of Mova's primary school: 19 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/25-cleaning-chemicals-safety/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/0/) — Open the cupboard under the kitchen sink and you will find bottles of real, strong chemicals: bleach, toilet cleaner, oven spray, dishwasher tablets. - [1](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/1/) — They are strong on purpose, so that they can break down dirt, grease and germs. - [2](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/2/) — The same strength that breaks down dirt can burn skin, hurt eyes and poison a body, and a small child's body most of all. - [4](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/4/) — Some cleaners must never meet: bleach poured together with an acid toilet cleaner gives off chlorine, a poisonous gas. - [5](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/5/) — The safe rule is simple: never mix cleaning products at all, and leave them to grown-ups. - [6](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/6/) — Chemicals stay in their own bottles, sprays are used with a window open, and if anything splashes into an eye it is rinsed with lots of clean water straight away while someone tells an adult. - [7](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/7/) — Bleach kills germs and takes out stains; it is a strong alkali and can burn skin and eyes. - [8](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/8/) — Many toilet cleaners are acids, and mixing an acid with bleach gives off chlorine, a poisonous gas; mixing bleach with ammonia cleaners makes other harmful gases. - [9](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/9/) — The safe rule is never to mix any cleaning products together. - [10](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/10/) — Warning symbols are black pictures inside red-bordered diamonds; they mean the same in many countries, so people understand them without reading. - [11](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/11/) — The corrosive symbol shows a liquid eating into a hand and a metal bar; other symbols warn of fire, poison and harm to nature. - [12](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/12/) — Child-resistant caps need a push and a twist at the same time, which is hard for small hands; they slow a child down but are not a lock. - [13](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/13/) — Brightly coloured liquid capsules for washing machines have been mistaken for sweets by small children. - [14](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/14/) — Sprays put droplets and fumes into the air you breathe, so labels say to open a window or use them in a well-aired room. - [15](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/15/) — Chemicals must never be poured into drinks bottles; people have drunk them by mistake from juice and water bottles. - [16](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/16/) — A smaller body is harmed by a smaller amount, so medicines and chemicals that are fine for adults can badly hurt a child. - [17](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/17/) — A splash in the eye is rinsed with lots of clean running water for many minutes while an adult is told; if something is swallowed, adults call a doctor or the emergency number with the bottle to hand. - [18](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/18/) — Goggles are worn in the school lab because eyes are delicate and some chemicals damage them in seconds. - [19](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/19/) — A swallowed button battery can burn through the inside of a child's throat within hours, so it is an emergency: go to hospital at once. - ← previous: [Soap and why washing works](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/24-soap-and-why-washing-works/) - next →: [Colours of fire: fireworks](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/26-colours-of-fire-fireworks/) - ↑ back to [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/)