One litre of water at 30°C is mixed with one litre of water at 50°C. Then temperature of mixture will be :
A. 80°C
B. More than 50°C but less than 80°C’
C. 20°C
D. Between 30°C and 50°C
Answer:D
One litre of water at 30°C is mixed with one litre of water at 50°C. Then temperature of mixture will be :
A. 80°C B. More than 50°C but less than 80°C’ C. 20°C D. Between 30°C and 50°C