GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
56. | Seawater has 5.65 x 10-3 g of dissolved oxygen in one kilogram of water. Concentration of O2 in parts per million is | ||
A. | 5.65 | ||
B. | 7.69 | ||
C. | 5.20 | ||
D. | 4.11 | ||
57. | Metallic conduction involves the relatively free movement of their _________ throughout the metallic lattice | ||
A. | Atoms | ||
B. | Molecules | ||
C. | Electrons | ||
D. | Ions | ||
58. | The number of molecules in 9 g of ice (H2O) is | ||
A. | 6.02 x 1024 | ||
B. | 6.02 x 1023 | ||
C. | ) 3.01 x 1024 | ||
D. | 3.01 x 1023 | ||
59. | Ice is less dense than water at: | ||
A. | 0 o C | ||
B. | 4 oC | ||
C. | -4 o C | ||
D. | 2 oC | ||
60. | At a given temperature and pressure, the one which shows marked deviation from ideal behavior is | ||
A. | N2 | ||
B. | N3 | ||
C. | CO2 | ||
D. | He | ||