Chemistry Supersonic jet causes pollution by thinning of SO2 layer O3 layer CO2 layer O 2 layer SO2 layer O3 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Yellow Cake' an item of smuggling across border is Unreformed gold A crude from of heroin A crude from of cocaine Uranium oxide Unreformed gold A crude from of heroin A crude from of cocaine Uranium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Styrene Isoprene Butadiene Ethylene Styrene Isoprene Butadiene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Tin Lead Zinc Carbon Tin Lead Zinc Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer PVC Nylon Polystyrene Polythene PVC Nylon Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP