Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Napthalene Teflon Graphite Diamond Napthalene Teflon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 100 km 300 km 150 km 200 km 100 km 300 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which turns into liquid at the lowest temperature among the following is Nitrogen Helium Hydrogen Oxygen Nitrogen Helium Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Ammonia Nitrates Amino acids Nitrogenase Ammonia Nitrates Amino acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Neutron, electron Neutron, positron Electron, proton Proton, neutron Neutron, electron Neutron, positron Electron, proton Proton, neutron ANSWER DOWNLOAD EXAMIANS APP