Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Helium Oxygen Neon Argon Helium Oxygen Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Wrought iron Cast iron Stainless steel High speed steel Wrought iron Cast iron Stainless steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Ethylene Methane Styrene Acetylene Ethylene Methane Styrene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Hydrochloric acid Citric acid Oxalic acid Acetic acid Hydrochloric acid Citric acid Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP