Which of following metals can be displaced by all other metals from its solution ?
Which of following metals can be displaced by all other metals from its solution ?
		A. Ag
B. A
C. Au
D. Cu
		A. Ag
B. A
C. Au
D. Cu
A. oxidation
B. reduction
C. oxidation-reduction
D. depends on the nature of the coupled electrode
A. CFC
B. CO2
C. CO
D. Oxides of nitrogen
		A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. All of above
		A. Cl2O7
B. Cl2O6
C. ClO2 
D. all
A. Lactic dehydrogenase
B. Alkaline phosphatase
C. L-asparaginase
D. Cellulase
A. 3
B. 2.7
C. 2
D. 1.5