Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Sodium hydroxide, also known as lye or caustic soda (NaOH), is a strong base. It is highly soluble in water and can cause severe burns if it comes into contact with skin.