Chemistry The metal extracted from Bauxite is : Copper Silver Manganese Aluminum Copper Silver Manganese Aluminum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bethe Bohr Fermi Anderson Bethe Bohr Fermi Anderson 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 Green house effect None of these Smog Eutrophication Green house effect None of these Smog Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Disinfect the sewage Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content Remove suspended solids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 –3 to + 3 –3 to + 4 –3 to + 5 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will be doubled Will be reduced to half Remains unchanged Will increase four-fold Will be doubled Will be reduced to half Remains unchanged Will increase four-fold ANSWER DOWNLOAD EXAMIANS APP