Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar ultraviolet radiation SO2 in the air CO2 in the air Solar infrared radiation Solar ultraviolet radiation SO2 in the air CO2 in the air Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is None of these ethylene vinyl chloride ethyl alcohol None of these ethylene vinyl chloride ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is Stagnation of water on road No maintenance Heavy traffic No sloping Stagnation of water on road No maintenance Heavy traffic No sloping ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Soft and flexible Chemical resistant Strong and hard Withstand higher temperatures Soft and flexible Chemical resistant Strong and hard Withstand higher temperatures ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and nicotine Carbon monoxide and benzene Dioxin and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine Carbon monoxide and benzene Dioxin and benzene Carbon monoxide and dioxin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Carbon monoxide Sulphur dioxide Carbon suboxide Carbon dioxide Carbon monoxide Sulphur dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP