Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Ozone Oxygen Chlorine Nitrogen Ozone Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Lead Mica Carbon Graphite Lead Mica Carbon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching magnetic separation liquation levigation leaching magnetic separation liquation levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Ethylene Styrene Isoprene Butadiene Ethylene Styrene Isoprene Butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Zone melting Slugging Smelting Leaching Zone melting Slugging Smelting Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/8 1/3 1/6 1/4 1/8 1/3 1/6 ANSWER DOWNLOAD EXAMIANS APP
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