General Science The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is Xenon Krypton Helium Argon Xenon Krypton Helium Argon ANSWER DOWNLOAD EXAMIANS APP
General Science The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of Fluorine Bromine Sulphur Chlorine Fluorine Bromine Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
General Science The percentage of oxygen present in air is approximately- 0.21 0.23 0.4 0.44 0.21 0.23 0.4 0.44 ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons and protons Electrons only Electrons and Nuclei Protons only Electrons and protons Electrons only Electrons and Nuclei Protons only ANSWER DOWNLOAD EXAMIANS APP
General Science Mesons are found in X-rays Gamma rays Laser beam Cosmic rays X-rays Gamma rays Laser beam Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
General Science Which one of the following is the petroleum wax? Bees wax Jonoba wax Carnauba wax Paraffin wax Bees wax Jonoba wax Carnauba wax Paraffin wax ANSWER DOWNLOAD EXAMIANS APP