Which of the following is an example of a chemical property? lead weighing more than aluminum grains of cocaine being white in color water being denser that ice bleach changing the color of a ph test strip

The answer is Bleach changing the color of a pH test strips because all of the other answers are immediately observable. You can tell the weight of an object without having to do something to it. You can see color. You can, in some cases, see if something is denser.

The answer is b. a pro-natalist

Their worse are not meaningful;