245177 Acid acts on metals. CM 245180 Acids act on metals. CM 245181 Acid eats into metal. CM 326833 Alkalis neutralize acids. CM 245176 The acid ate into the metal. CK 29485 Lemons and limes are acidic fruits. CK 245182 Acid rain is not a natural phenomenon. CM 257709 I read an article about acid rain yesterday. CK 744533 Whatever happened to acid rain? You don't hear about it in the news anymore. darinmex 3231292 I ruined one of my best shirts when I spilled some battery acid on the sleeve. CK