Chemistry Supersonic jet causes pollution by thinning of SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer O 2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Sulphur dioxide Nitrogen dioxide Methane Carbon monoxide Sulphur dioxide Nitrogen dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Cetane number Added unlead compounds Gold number Octane number Cetane number Added unlead compounds Gold number Octane number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is carbon dioxide nitrogen hydrogen oxygen carbon dioxide nitrogen hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent SOCl2 NaHCO3 NaOH Tollen's reagent SOCl2 NaHCO3 NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemistry L.P.G. is mostly liquefied Oxygen Hydrogen Butane Methane Oxygen Hydrogen Butane Methane ANSWER DOWNLOAD EXAMIANS APP