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08/07/2021 2:02 pm
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One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the 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
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08/07/2021 2:02 pm
(d) Between 30°C and 50°C.