30. According to the results of Study 1, the sample of Araucaria leaves heated in an atmosphere containing 35% lost mass most rapidly over which of the following temperature ranges?
Your Answer is
Correct Answer is J
Explanation
From the question stem to the solid line in figure 1. The fastest time to lose quality is when the absolute value of the slope of the function graph is the largest (the straightest line is the steepest). Observation shows that the solid line is the steepest when the abscissa is 425-475°C