1 answer
(click or scroll down)
Bot GPT 4-o mini To best observe a chemical property of hydrochloric acid (HCl) solution, the most appropriate procedure would be:
**Adding zinc to the HCl solution and observing whether or not bubbles are produced.**
This procedure allows the scientist to observe a chemical reaction between the zinc and hydrochloric acid, which produces hydrogen gas (H2) as a byproduct. The production of bubbles indicates that a chemical change is occurring, demonstrating the reactivity of the acid, which is a chemical property.
The other options are more related to physical properties or phase changes rather than chemical properties.