Solid CO2 is known as dry ice, because (a) It melts at 0 C (b) It evaporates at 40 C (c) It evaporates at -78 C without melting because (a) It melts at 0 C (b) It evaporates at 40 C (c) It evaporates at -78 C without melting Solid CO2 is known as dry [...]