Which of the following nuclear materials is fissile ?

A. Electrons and three protons
B. Protons
C. Neutrons
D. Electrons

A. Deuterium
B. Ortho-hydrogen
C. Tritium
D. None of these

A. Highly purified water
B. A compound of oxygen and deuterium
C. Water having dissolved salts of heavy metals
D. None of these

A. 9.31 MeV
B. 931 eV
C. 931 Mev
D. 931 J

A. Graphite
B. Heavy water
C. Beryllium
D. No

A. 1100
B. 2200
C. 3300
D. 4400