Chemistry The element with highest first ionisation energy is Lithium Hydrogen Sodium Helium Lithium Hydrogen Sodium Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Liquified butane and isobutane Ethylene and carbon monoxide Methane and ethane Hydrogen and acetylene Liquified butane and isobutane Ethylene and carbon monoxide Methane and ethane Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 8.00 gram 4.00 gram 1.00 gram 4 x 6.02 x 1023 gram 8.00 gram 4.00 gram 1.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 H2O (2) N2O C12O OF2 H2O (2) N2O C12O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Chlorine Nitrogen Helium None of these Chlorine Nitrogen Helium None of these ANSWER DOWNLOAD EXAMIANS APP