Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Ethanol Methane Hydrogen Butane Ethanol Methane Hydrogen Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Coal Natural Gas Petroleum Geothermal energy Coal Natural Gas Petroleum Geothermal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate Ammonia into nitrite N2into nitrite Ammonia into N2 N2 into nitrate Ammonia into nitrite N2into nitrite Ammonia into N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Dalton Newton Avogadro Pascal Dalton Newton Avogadro Pascal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LC50 NOAEL LD50 ADI LC50 NOAEL LD50 ADI ANSWER DOWNLOAD EXAMIANS APP