Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.2 mole 0.5 mole 0.4 mole 0.25 mole 0.2 mole 0.5 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number and the atomic mass Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Corrosion Exfoliation Oxidation Carbonation Corrosion Exfoliation Oxidation Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of hydrogen atoms in a Glucose molecule 14 12 8 6 14 12 8 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two electrons in an orbital are differentiated by which of the following ? Magnetic quantum number Principal quantum number Azimuthal quantum number Spin quantum number Magnetic quantum number Principal quantum number Azimuthal quantum number Spin quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Distillation None of these Boiling Formation of lather with soap Distillation None of these Boiling Formation of lather with soap ANSWER DOWNLOAD EXAMIANS APP