Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Nichrome Silver Copper Iron Nichrome Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is hydrogen carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is SO2 NO2 Lead Hg SO2 NO2 Lead Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isobaric system Isothermal system Closed system Open system Isobaric system Isothermal system Closed system Open system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Aluminium Petrochemicals Fertilizers Cement Aluminium Petrochemicals Fertilizers Cement ANSWER DOWNLOAD EXAMIANS APP
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