Chemistry What is the chemical symbol of mercury None of these Hg Mr Mg None of these Hg Mr Mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? SO2 NO CO PAN SO2 NO CO PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 0.94 78.03 85.02 0.03 0.94 78.03 85.02 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Methane Air Carbon monoxide Hydrogen Methane Air Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alloy is used in making magnet ? Alnico Magnalium Duralumin Stainless steel Alnico Magnalium Duralumin Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Aluminium Fluorine Potassium Lead Aluminium Fluorine Potassium ANSWER DOWNLOAD EXAMIANS APP
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