State two uses of endothermic reactions

Cooling Products: Endothermic reactions are used in instant cold packs. When the substances in the cold pack mix, they absorb heat from the surroundings, causing the temperature to drop and the pack to feel cold.

Food Preservation: Endothermic reactions are also used in food preservation. The process of freezing food is an endothermic reaction because it absorbs heat from the food, causing it to cool and freeze. This helps to slow down the growth of bacteria and other microorganisms, preserving the food for longer.