Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Cadmium Chromium Copper Lead Cadmium Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Table salt gets moist during rainy season because Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbonate Calcium carbide Calcium chloride Calcium sulphide Calcium carbonate Calcium carbide Calcium chloride Calcium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 7-9% 10-15% 3-5% 0.02 7-9% 10-15% 3-5% 0.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Sodium sulphate Silver bromide Hydroquinone Hypo Sodium sulphate Silver bromide Hydroquinone Hypo ANSWER DOWNLOAD EXAMIANS APP
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