Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Infrared Radio-waves Visible Ultraviolet Infrared Radio-waves Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Carbon dioxide Sulphur dioxide Chloro fluoro carbon Ethane Carbon dioxide Sulphur dioxide Chloro fluoro carbon Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Oxygen Catalyst Heat Light Oxygen Catalyst Heat Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeS2 Fe2O3 FeCO3 Fe3O4 FeS2 Fe2O3 FeCO3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Platinum Gold Iron Tungsten Platinum Gold Iron Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sewer Sludge Sewage Scum Sewer Sludge Sewage ANSWER DOWNLOAD EXAMIANS APP
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