GCSE Chemistry - Acids & Bases - pH | Features | Neutralisation Reactions (2026/27 exams)

We don’t use deodorant… Smell isn’t something to be ashamed of. It’s a form of biofeedback. A signal designed to guide you. But most of us were taught to suppress it. To cover it up with synthetic fragrances, chemical antiperspirants, or even “cleaner” options like salt rocks. We used to use those too. And yes, potassium alum is a healthier alternative to most antiperspirants, which plug your sweat glands and block perspiration entirely. But it’s still an aluminum salt. And it still creates a ch

i redeemed myself with cinnamon gas marbles (eventually)

What is Acid Rain? | National Geographic

Whatever happened to acid rain? - Joseph Goffman

How does Acid Rain affect Humans and the Environment