A. 0°C
B. 20°C
C. 30°C
D. 40°C

Correct Answer: Option B

B. 20°C

Explanation

From the graph, check for their point of intersection and trace it down to the temperature axis.

SEE ALSO  What is the percentage by mass of copper in copper in copper (l) oxide (CU2O)? [O = 16; CU =64]

Copyright warnings! Do not copy.