Chemistry The most electropositive elements among the following is K Ca Cs Na K Ca Cs Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2CO3.10H2O Ca(OH)2 NaHCO3 Na2SO4.10H2O Na2CO3.10H2O Ca(OH)2 NaHCO3 Na2SO4.10H2O 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 levigation liquation magnetic separation leaching levigation liquation magnetic separation leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Zone melting Leaching Smelting Slugging Zone melting Leaching Smelting Slugging ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Oxygen Silicon Nitrogen Calcium Oxygen Silicon Nitrogen Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Nitrogen Oxygen Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS