Alkali

Summary: Alkalis are the chemical opposite of acids. Soap solutions and toothpaste are alkalis. Most alkalis feel soapy. You must never taste or touch solutions in the lab. Tags: science student-book-7 chemistry Created: 2026-05-21 Last Updated: 2026-05-21

Alkali

Alkalis are the chemical opposite of acids. Soap solutions and toothpaste are alkalis. Most alkalis feel soapy. You must never taste or touch solutions in the lab.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Chemistry/Acids and Alkalis/4.1 Acids and alkalis.md), Chemistry section.