When two ionic solutions (salts) are combined, the resulting mixture contains positive and negative ions from each solution. The mixing permits new combinations of ions. If one or more of these new ion combinations happen to be insoluble in water, it "falls out" of the solution as a solid compound. The insoluble product formed in this way is called a
A. Discharge
B. Precipitate
C. Accelerant
D. Deliberant
Answer (2)
The insoluble product formed when two ionic solutions are mixed and new ion combinations are created is called a precipitate. When certain combinations of ions in a solution are insoluble, they form a solid that falls out of the solution. Therefore, the correct answer is B. Precipitate.
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B. Precipitate
A precipitate is an insoluble solid that forms from a solution, often as a result of a chemical reaction between two ionic solutions. When the ions from the two solutions combine, they can form a new compound that is insoluble in water, causing it to "fall out" of the solution as a solid. This process is known as precipitation.
e.g
Mixing silver nitrate (AgNO3) with sodium chloride (NaCl) forms a precipitate of silver chloride (AgCl):
AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq)
The AgCl is the precipitate.
