Chemistry Iron is extracted from Cinnabar Bauxite Haematite Dolomite Cinnabar Bauxite Haematite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Coal gas Water gas Indane gas Natural gas Coal gas Water gas Indane gas 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? 1/6 1/3 1/4 1/8 1/6 1/3 1/4 1/8 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 liquation leaching magnetic separation levigation liquation leaching magnetic separation levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Same number of electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.18 0.305 0.25 0.27 0.18 0.305 0.25 0.27 ANSWER DOWNLOAD EXAMIANS APP