Chemistry Supersonic jet causes pollution by thinning of O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Cast iron Pig iron Steel Wrought iron Cast iron Pig iron Steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Air Distilled water Gasoline LPG Air Distilled water Gasoline LPG ANSWER DOWNLOAD EXAMIANS APP
Chemistry L.P.G. is mostly liquefied Hydrogen Methane Oxygen Butane Hydrogen Methane Oxygen Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Oxides of sulphur Hydrocarbon Oxides of nitrogen Smoke Oxides of sulphur Hydrocarbon Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Ethylene glycol Ethanol Propyl alcohol Methanol Ethylene glycol Ethanol Propyl alcohol Methanol ANSWER DOWNLOAD EXAMIANS APP
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