#29 - Reversible Reactions

Edexcel IGCSE Chemistry - The Companion Audio Guide

Learn about reversible reactions: these reactions can proceed in both directions, represented by the symbol ⇌. Examples include the heating of ammonium chloride, which decomposes into ammonia and hydrogen chloride, and the dehydration of hydrated copper sulfate, which turns white when heated and reverts to blue upon rehydration.