Corrosive chemicals are substances that can cause damage to other materials through chemical reactions. LYE, a three letter word, is an alkaline substance that is often used in cleaning products and soap-making. ACID, a four letter word, is a corrosive substance that is usually found in liquid form and can be used to dissolve metals. ACIDS, a five letter word, are a group of corrosive substances that contain hydrogen and can be found in many everyday items such as vinegar and lemon juice. Nitric, a six letter word, is a type of ACID that is commonly used in fertilizers and explosives.