81. SHE stands for:
A. Standard Hydrogen Electrode
B. Simple Hydrogen Electrode
C. Solid Hydrogen Electrode
D. Stable Hydrogen Electrode
Answer: A
82. Potential of SHE is:
A. 1 V
B. 0 V
C. -1 V
D. 2 V
Answer: B
83. Cathode is site of:
A. Oxidation
B. Reduction
C. Neutralization
D. Combustion
Answer: B
84. Anode is site of:
A. Reduction
B. Oxidation
C. Neutralization
D. Precipitation
Answer: B
85. Electroplating thickness depends on:
A. Time
B. Current
C. Both
D. None
Answer: C
86. Secondary cells are:
A. Rechargeable
B. Non-rechargeable
C. Disposable
D. Weak
Answer: A
87. Primary cells are:
A. Rechargeable
B. Non-rechargeable
C. Reversible
D. Strong
Answer: B
88. Example of primary cell:
A. Dry cell
B. Lead-acid
C. Fuel cell
D. Solar cell
Answer: A
89. Example of secondary cell:
A. Dry cell
B. Lead-acid battery
C. Fuel cell
D. Solar cell
Answer: B
90. Fuel cells require:
A. Continuous fuel
B. Battery
C. Salt bridge
D. Wire only
Answer: A