Students mix two liquids together in a flask. They first notice that the walls o
ID: 912391 • Letter: S
Question
Students mix two liquids together in a flask. They first notice that the walls of the flask grow warmer and that the color of the combined liquid is different from the color of the two original liquids. After a short time, a white precipitate forms at the bottom of the flask. The students filter the liquid and collect the precipitate. It is most likely that the precipitate obtained by the students in this experiment presents:
A. one of the original liquids that has changed state from a liquid to a solid
B. a solid that was previously dissolved in one of the original liquids
C. a new substance produced by a chemical reaction between the original liquids
D. A mixture of the two liquids that is normally a solid at the temperature of the flask
Explanation / Answer
C. a new substance produced by a chemical reaction between the original liquids