Diagnostic Test

A. 2
B. 3
C. 4
D. 6

A. Displacement
B. Reduction
C. Disproportionation reaction
D. Double displacement reaction

A. FeS2
B. HgS
C. PbS
D. ZnS

A. Lubricant
B. Water repellent film
C. Rubber sheet
D. Medicine

A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. CI > 1

A. Na K
B. Mg Ca
C. Li Na
D. Li Ca

A. Reduction occurs at anode
B. K+ ion transfer from salt bridge to left beaker of ZnSO4
C. Oxidation occurs at cathode
D. Anode is negatively charged

A. Oxidation potential
B. Redox potential
C. e.m.f of cell
D. standard reduction potential

A. 8
B. 5.1
C. 6
D. one/fifty one

A. N2+3H2 2NH3
B. H2+I2 2HI
C. 2NO2 N2H4
D. PCI5 PCI3+CI2