Chemistry Which among the following elements is found in maximum percentage in the human body ? Oxyzen Carbon Nitrozen Hydrogen Oxyzen Carbon Nitrozen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Fluorine Chlorine Francium Radium Fluorine Chlorine Francium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Petroleum Geothermal energy Coal Natural Gas Petroleum Geothermal energy Coal Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Arsenic Antimony Phosphorus Aluminium Arsenic Antimony Phosphorus Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CFC CO CO2 SO2 CFC CO CO2 SO2 ANSWER DOWNLOAD EXAMIANS APP