General Science Which metal pollute the air of a big city? Cadmium Copper Lead Chromium Cadmium Copper Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
General Science Balloons are filled with Oxygen Helium Nitrogen Argon Oxygen Helium Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following has a least penetrating power? All have same penetrating power Alpha particles Beta Particles Gamma rays All have same penetrating power Alpha particles Beta Particles Gamma rays ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons only Protons only Electrons and protons Electrons and Nuclei Electrons only Protons only Electrons and protons Electrons and Nuclei ANSWER DOWNLOAD EXAMIANS APP
General Science Which among the following is a positively charged particle emitted by a radioactive element? Alpha ray Cathode ray Gamma ray Beta ray Alpha ray Cathode ray Gamma ray Beta ray ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used as a moderator in nuclear reactor? Graphite Thorium Radium Ordinary water Graphite Thorium Radium Ordinary water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS