Chemistry Which one is the lightest element in the periodic table Oxygen Carbon Helium Hydrogen Oxygen Carbon Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from None 0 – 14 8 – 14 0 – 7 None 0 – 14 8 – 14 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Boiling Formation of lather with soap None of these Distillation Boiling Formation of lather with soap None of these Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Electrolysis Zone refining Oxidation Roasting Electrolysis Zone refining Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Percolating filter Intermittent sand filter Contact bed Trickling filter Percolating filter Intermittent sand filter Contact bed Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O PbCl2 CuS CaCl2 Zn(OH)2 PbCl2 CuS CaCl2 Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP