1 a.m.u =__________________?
1 a.m.u =__________________?
		A. 1.6 x 10-27 kg
B. 1.6 x 10-24 kg
C. 1.6 x 10-26 kg
D. 1.6 x 10-28 kg
		A. 1.6 x 10-27 kg
B. 1.6 x 10-24 kg
C. 1.6 x 10-26 kg
D. 1.6 x 10-28 kg
		A. 0.20 m glucose
B. 0.20 m NaCl
C. 0.15 m CaCl2
D. 0.25 m sucrose
		A. Lysine
B. Histidine
C. Proline
D. Glutamic acid
		A. ZnS
B. PbS
C. HgS
D. FeS
		A. As a solvent
B. As an antifreezing agent
C. As a substitute for petrol
D. For denaturing of ethyl alcohol
		A. Xe
B. Kr
C. Rn
D. All of the above
		A. White
B. Red
C. Black
D. Violet