Is milk smelling sour a physical or chemical property? i know that milk souring is a chemical change, but the question does mention the senses. .

Is this a single replacement reaction or there is no

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Which of these best describes an ionic bond?