Chemistry Which of the following is the major constituent of LPG? Ethane Methane Propane Butane Ethane Methane Propane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Rapid industrialization Increased transportation activity All of these Deforestation Rapid industrialization Increased transportation activity All of these Deforestation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Radium Francium Fluorine Chlorine Radium Francium Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Halogens Heavy metals Noble gases Light metals Halogens Heavy metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Suspended solid particles in air Green house gas present in air Pollutant gas, present in air Microbes, present in air Suspended solid particles in air Green house gas present in air Pollutant gas, present in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
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