A. Zn + Ni
B. Cu + Zn
C. Cu + Ni
D. Cu + Sn
E. None of these
A. North pole
B. South pole
C. middle of the earth
D. Equator
E. None of these
A. Energy
B. Time
C. Power
D. Distance
E. None of these
A. Chemical Reaction
B. Nuclear reaction
C. Fission nuclear reaction
D. Fusion nuclear reaction
E. None of these
A. red waves
B. Infrared waves
C. Ultrasonic
D. super sonic
E. None of these
A. 6 feet
B. 12 feet
C. 4 feet
D. 3 feet
E. None of these
A. Visible
B. Transparent
C. Invisible
D. opaque
E. None of these
A. pitch
B. Frequency
C. Time period
D. Quality
E. None of these
A. 1120 ft
B. 120 ft
C. 56 ft
D. 100 ft
E. None of these
A. Conductor
B. Non-Conductor
C. Semi- Conductor
D. Not a solid while iron is a solid
E. None of these
