A. 7:2
B. 3:2
C. 2:5
D. 1:2
Correct Answer: Option B
B. 3:2
Explanation
Q = MCθ
M = QCθ
Q/20C : Q/30C
= 3:2
![Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]")
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