Chemistry Which of the following metals is not a pollutant ? Arsenic Lead Mercury Aluminium Arsenic Lead Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of protons and electrons the number of neutrons the number of protons the number of nucleons the number of protons and electrons the number of neutrons the number of protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O CaSO4, 2H2O Al2O3 CaO Na2O + K2O CaSO4, 2H2O Al2O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Low inflammable energy High inflammable energy Lonic band Low Energy of dissociation Low inflammable energy High inflammable energy Lonic band Low Energy of dissociation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Haematite Bauxite Calamine Chalcopyrites Haematite Bauxite Calamine Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS