General Science Marsh gas is Hydrogen Methane Nitrogen Ethane Hydrogen Methane Nitrogen Ethane ANSWER DOWNLOAD EXAMIANS APP
General Science The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is Krypton Xenon Helium Argon Krypton Xenon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
General Science In an atomic explosion, enormous energy is released which is due to Conversion of mechanical energy into nuclear energy Conversion of mass into energy Conversion of chemical energy into heat energy Conversion of neutrons into protons Conversion of mechanical energy into nuclear energy Conversion of mass into energy Conversion of chemical energy into heat energy Conversion of neutrons into protons ANSWER DOWNLOAD EXAMIANS APP
General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Hydrogen Sulphide None of the listed here Nitrogen Oxygen Hydrogen Sulphide None of the listed here Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
General Science In fireworks, the green flame is produced because of Sodium Potassium Mercury Barium Sodium Potassium Mercury Barium ANSWER DOWNLOAD EXAMIANS APP
General Science Quartz crystals normally used in quartz clocks etc. is chemically Sodium Silicate Silicon Dioxide A mixture of Germanium Oxide and Silicon dioxide Germanium Oxide Sodium Silicate Silicon Dioxide A mixture of Germanium Oxide and Silicon dioxide Germanium Oxide ANSWER DOWNLOAD EXAMIANS APP