Chemistry The substance which does not expand on going from liquid state to solid state is Water Aluminium Type metal Cast-iron Water Aluminium Type metal Cast-iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Carbon dioxide over slaked lime Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called None of these Eutrophication Green house effect Smog None of these Eutrophication Green house effect Smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Burning Organic delay Breathing Photosynthesis Burning Organic delay Breathing Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCO3 CaCl2 CaCO3 MgCl2 MgCO3 CaCl2 CaCO3 MgCl2 ANSWER DOWNLOAD EXAMIANS APP