Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 8 –4 4 Zero 8 –4 4 Zero 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 depletion of ozone layer is due to Sulphur dioxide Ethane Carbon dioxide Chloro fluoro carbon Sulphur dioxide Ethane Carbon dioxide Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Alcohol Mercury Water Bromine Alcohol Mercury Water Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2SO4.10H2O Ca(OH)2 NaHCO3 Na2CO3.10H2O Na2SO4.10H2O Ca(OH)2 NaHCO3 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HCl H2SO4 HF HNO3 HCl H2SO4 HF HNO3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS