Chewing gum is easier to remove from clothing if ice is applied to the gum. This works because applying ice lowers the temperature of the gum to below its glass transition temperature (T_g), so the gum becomes brittle and can be removed more easily.

Question

Quizplus · Accepted Answer

Applying ice to gum hardens it by lowering its temperature below its glass transition temperature, making it brittle and easier to remove from clothing.

Chewing Gum Is Easier to Remove from Clothing If Ice