Question

any characteristic of a substance, such as flammability, that can be observed that produces a new substance
chemical property
physical property
distillation
chemical change

Explanation:

A chemical property is a characteristic of a substance that can only be observed during a chemical reaction (which produces a new substance), like flammability. A physical property can be observed without changing the substance's identity. Distillation is a separation technique, and a chemical change is the process of forming a new substance (not a characteristic). So the correct option is Chemical Property.

Answer:

A. Chemical Property