Chemistry The gas which is mainly responsible for the green house effect is: Carbon dioxide Carbon monoxide Oxygen Ozone Carbon dioxide Carbon monoxide Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal and Natural Gas only Coal, Natural Gas and Petroleum Coal only None of these Coal and Natural Gas only Coal, Natural Gas and Petroleum Coal only None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A fertilizer An analgesic A purifier for water A disinfectant A fertilizer An analgesic A purifier for water A disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Sulphur Phosphorous Silicon Magnesium Sulphur Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Asbestos Silica Paper Textiles Asbestos Silica Paper Textiles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful SO2 in the air CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air CO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP