The term for a liquid's ability to mix with water is

The term for a liquid's ability to mix with water is

• A. Solubility.
• B. Surface tension.
• C. Water reactivity.
• D. Instability.

Answer: (A)

The important idea here is how readily a liquid can dissolve in water. That property is solubility. If a liquid has high solubility in water, it will mix with water and form a solution; if it has low solubility, it won’t dissolve well and may separate. In hazmat work, solubility in water helps predict how a spill will behave—whether it will spread by mixing into the water or stay as a distinct layer. The other terms describe different things: surface tension is about the cohesive forces at a liquid’s surface that affect droplets and wetting, water reactivity is about chemical reactions with water, and instability refers to a substance’s tendency to decompose or react under certain conditions.

The important idea here is how readily a liquid can dissolve in water. That property is solubility. If a liquid has high solubility in water, it will mix with water and form a solution; if it has low solubility, it won’t dissolve well and may separate. In hazmat work, solubility in water helps predict how a spill will behave—whether it will spread by mixing into the water or stay as a distinct layer. The other terms describe different things: surface tension is about the cohesive forces at a liquid’s surface that affect droplets and wetting, water reactivity is about chemical reactions with water, and instability refers to a substance’s tendency to decompose or react under certain conditions.