GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
4. | In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at | |
A. | -60 to -78°C | |
B. | -20 to -30°C | |
C. | -30 to -48°C | |
D. | -48 to -58°C | |