General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Oxygen Hydrogen Sulphide None of the listed here Nitrogen Oxygen Hydrogen Sulphide None of the listed here Nitrogen ANSWER DOWNLOAD EXAMIANS APP
General Science Heavy water is Rain water PH7 Deuterium oxide Tritium oxide Rain water PH7 Deuterium oxide Tritium oxide ANSWER DOWNLOAD EXAMIANS APP
General Science Very small time intervals are accurately measure by Pulsars White dwarfs Atomic clocks Quartz clocks Pulsars White dwarfs Atomic clocks Quartz clocks 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 Helium Argon Xenon Krypton Helium Argon Xenon Krypton ANSWER DOWNLOAD EXAMIANS APP
General Science Deep blue colour is imparted to glass by the presence of Nickel oxide Iron oxide Cobalt oxide Cupric oxide Nickel oxide Iron oxide Cobalt oxide Cupric oxide ANSWER DOWNLOAD EXAMIANS APP
General Science Glass is made of the mixture of: Sand and silicates Salt and quartz Quartz and mica Sand and salt Sand and silicates Salt and quartz Quartz and mica Sand and salt ANSWER DOWNLOAD EXAMIANS APP
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