Question

400 g of water at 70°C raises the temperature of 600 g cold water by 20°C when mixed in it. The initial
(1) 20°C
(2) 30°C
(3) 10°C
(4) 15°C
The transformation of a substance from gaseous state to liquid state is called
temperature of cold water would be​

Answer 1

Answer:

bnnbbbvvbnbvvbnvbnbcccvhh