Chemistry The coloured discharge tubes for advertisement mainly contain Argon Helium Xenon Neon Argon Helium Xenon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe2O3 Fe3O4 FeS2 FeCO3 Fe2O3 Fe3O4 FeS2 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Carbon-14 Tritium Phosphorus-31 Radium Carbon-14 Tritium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Nitrogen Propane Methane Helium Nitrogen Propane Methane Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Silver bromide Sodium chloride Aluminium hydroxide Potassium nitrate Silver bromide Sodium chloride Aluminium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Chromium, carbon and iron Chromium and iron Carbon and iron Chromium and carbon Chromium, carbon and iron Chromium and iron Carbon and iron Chromium and carbon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS