Adam is trying to identify a solid. He places a small amount of the substance in an acid solution and observes whether or not a reaction takes place. This test is based on a _______ property. A. physical B. biological C. chemical D. radical
Explanation: A chemical property is a property that is observed when a chemical reaction takes place. Adam is testing whether the substance reacts with acids. Since this involves a chemical reaction, the test is based on a chemical property.