Question

Which one of the following would raise the temperature
of 20 g of water at 30°C most when mixed with it?
A. 20 g of water at 40°C
B. 40 g of water at 35°C
C. 10 g of water at 50°C
D. 4 g of water at 80°C

Answer 1

I guess 10 gram of water at 50°C would raise the temperature

hope it would help for u