Chemistry Which one is the simplest form of alkane Decane Methane Propane Butane Decane Methane Propane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Neon Oxygen Freon Nitrogen Neon Oxygen Freon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Ethane Propane Methane Butane Ethane Propane Methane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc ANSWER DOWNLOAD EXAMIANS APP