Chemistry The pH of human blood is between : 44052 6.5-7 4.5-5 7.5-8 44052 6.5-7 4.5-5 7.5-8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Silicon Thallium Tin Caesium Silicon Thallium Tin Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Neutrons Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of protons and electrons the number of nucleons the number of protons the number of neutrons the number of protons and electrons the number of nucleons the number of protons the number of neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Exfoliation Corrosion Oxidation Carbonation Exfoliation Corrosion Oxidation Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeS2 FeCO3 Fe2O3 Fe3O4 FeS2 FeCO3 Fe2O3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP