Engineering Chemistry Engineering Physics

364.25 days ✘ 24 hours ✘ 48 hours ✘ 12 hours ✔

Curie ✘ Becquerel ✘ Henry ✘ Both of these ✔

Number of neutrons ✘ Number of protons ✘ Atomic mass number ✘ Number of electrons ✔

Graphite ✘ Heavy water ✘ Beryllium ✘ Liquid sodium metal ✔

12800 km ✘ 6400 km ✘ 36400 km ✘ 360 km ✔

Temperature ✘ Pressure on the element ✘ Nature of element ✘ Amount of element ✔

neutron ✘ hole ✘ positron ✘ neutrino ✔

They absorb neutrons ✘ They slow down fast neutrons ✘ They control temperature ✘ They produce neutrons ✔

Protons and neutrons ✘ Quarks ✘ One quark and one anti-quark ✘ Hadrons ✔

Protons ✘ An alpha particle ✘ Electrons ✘ Neutrinos ✔