Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Corrosion Cancer Asphyxiation Bronchitis Corrosion Cancer Asphyxiation Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Ethanol Formaldehyde Acetone Acetic acid Ethanol Formaldehyde Acetone Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Acetylene Butane Methane Ethane Acetylene Butane Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Smog Fog Mist Sleet Smog Fog Mist Sleet ANSWER DOWNLOAD EXAMIANS APP
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