General Science The percentage of oxygen present in air is approximately- 0.4 0.23 0.21 0.44 0.4 0.23 0.21 0.44 ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the gas is not known as green house gas? Carbon dioxide Hydrogen Methane Nitrous oxide Carbon dioxide Hydrogen Methane Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
General Science The major ingredient of leather is: Collagen Carbohydrate Polymer Nucleic acid Collagen Carbohydrate Polymer Nucleic acid ANSWER DOWNLOAD EXAMIANS APP
General Science Heavy water is Tritium oxide Rain water PH7 Deuterium oxide Tritium oxide Rain water PH7 Deuterium oxide ANSWER DOWNLOAD EXAMIANS APP
General Science Marsh gas is Hydrogen Nitrogen Methane Ethane Hydrogen Nitrogen Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
General Science 'No two electrons in an atom can have the same set of four quantum numbers' is Aufbau principle Bohr's law Pauli's exclusion principle Newton's law Aufbau principle Bohr's law Pauli's exclusion principle Newton's law ANSWER DOWNLOAD EXAMIANS APP