5. what is the temperature of sample liquid B at
4 minutes? _______________
6. What is the temperature of sample liquid B From 4 minutes to 11 minutes? (changing or constant) ______________
7. What does the graph show? it shows that the temperature ______ (stays the same or gradually changing) _______________
8. What is the nature of sample liquid A, (pure substance or mixture)? __________
Why?____________________________​