Chemistry Ozone depletion in the stratosphere is mainly caused by Chlorogluorocarbons NO2 SO2 NO Chlorogluorocarbons NO2 SO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.201 0.323 0.158 0.273 0.201 0.323 0.158 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3600°C 4000°C 2800°C 3200°C 3600°C 4000°C 2800°C 3200°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Henry Moseley Julius Lothar Meyer John Dalton Dmitri Mendeleev Henry Moseley Julius Lothar Meyer John Dalton Dmitri Mendeleev ANSWER DOWNLOAD EXAMIANS APP