Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Cadmium Lead Chromium Copper Cadmium Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Carbon dioxide Methane Butane Isobutane Carbon dioxide Methane Butane Isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Industrial smog Sulphurous smog Acid fumes Photochemical smog Industrial smog Sulphurous smog Acid fumes Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Butadiene Isoprene Styrene Ethylene Butadiene Isoprene Styrene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methylene blue Methyl orange Phenolphthaline Methyl red Methylene blue Methyl orange Phenolphthaline Methyl red ANSWER DOWNLOAD EXAMIANS APP
Chemistry Table salt gets moist during rainy season because Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide Sodium chloride is deliquescent Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is hygroscopic Sodium chloride contains some quantity of sodium iodide Sodium chloride is deliquescent Sodium chloride contains hygroscopic impurities like magnesium chloride ANSWER DOWNLOAD EXAMIANS APP
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