Which of the following substances is negligibly soluble in water?

Sodium Chloride - salt - ever heard of seawater? Ethanol - alcohol - ever drunk beer? Calcium chloride - used in most swimming pools. Silver chloride is thus the only one left.

Had to use a 50/50 on this. Tough question!

a new information to know.....it's a big deal I forgot my second year high school lesson ..oh gosh.periodic table is all about.

new one on me!!