Question 19
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A student investigates how the volume of a fixed mass of a liquid substance change
with temperature. The result is shown below.
From the graph, the density of the liquid is _ .
A. lowest at 50°C
B. lowest at 70°C
C. greatest at 70°C
D. greatest at 90°C
A student investigates how the volume of a fixed mass of a liquid substance change
with temperature. The result is shown below.
From the graph, the density of the liquid is _ .
A. lowest at 50°C
B. lowest at 70°C
C. greatest at 70°C
D. greatest at 90°C