Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Helium Oxygen Argon Neon Helium Oxygen Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Leaching Zone melting Slugging Smelting Leaching Zone melting Slugging Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2SO4 Fungicide H2S SO2 H2SO4 Fungicide H2S SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 50 88 138 314 50 88 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Na Hg Fe Ag Na Hg Fe Ag ANSWER DOWNLOAD EXAMIANS APP