Scoop a small amount of KI into the water directly opposite the Pb(NO3)2 A precipitate of PbI2 will form near the center of the dish.

Below is an example of a precipitation reaction. Notice the two aqueous solutions make a solid substance. \(AgNO_{3}(aq) + NaCl(aq)\rightarrow AgCl(s) + NaNO_{3}(aq)\) If state symbols are not ...

Substances have characteristic chemical reactions that can be used to identify a substance ... soap solution with the Epsom salt solution to produce a solid “soap scum” precipitate. Students then ...

Students explore the concept that chemical reactions involve the breaking of bonds between ... Students investigate reactions which produce a gas, form a precipitate, and cause a color change.

A simple demonstration of how a precipitate is evidence of a chemical reaction taking place is performed by mixing solutions of calcium chloride and sodium carbonate to form the precipitate calcium ...