Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Radium Carbon-14 Tritium Phosphorus-31 Radium Carbon-14 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Neon Argon Krypton Helium Neon Argon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleus of an atom consists of. Neutron Electron, Proton and Neutron Proton Proton and Neutron Neutron Electron, Proton and Neutron Proton Proton and Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O H2O (2) C12O OF2 N2O H2O (2) C12O OF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Coal Natural Gas Geothermal energy Petroleum Coal Natural Gas Geothermal energy Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode ANSWER DOWNLOAD EXAMIANS APP