Chemistry The gas that usually causes explosions in coal mines is Air Carbon monoxide Methane Hydrogen Air Carbon monoxide Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Ethyl alcohol and H2O Methyl alcohol Ethyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Methyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Fluorine Neon Oxygen Nitrogen Fluorine Neon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Fluorspar and Felspar Hydrofluosilicic Acid Calcium Tetra Fluoride Difluoro Dichloro Methane Fluorspar and Felspar Hydrofluosilicic Acid Calcium Tetra Fluoride Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Sodium sulphate Hypo Hydroquinone Silver bromide Sodium sulphate Hypo Hydroquinone Silver bromide ANSWER DOWNLOAD EXAMIANS APP
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