Chemistry Does hydrogen peroxide decay to water? February 4, 2026 by Tanp | Leave a Comment Hydrogen peroxide is a common household chemical that gradually decomposes into water and oxygen over time. This process is accelerated by light and heat, which is why hydrogen peroxide is often stored in dark bottles. Understanding the decomposition of hydrogen peroxide can help you use it effectively and safely at home. How Does Hydrogen Peroxide […] Read more ยป