You are heating a solution in the laboratory. As the solution heats up, it begins to bubble. After turning off the heat, you notice that the remaining liquid remains colorless, but you smell a sharp odor. Why might you think a chemical reaction has occured?

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

the volume increases