Chemistry The polymer used in making plastic crockery is Melamine Nylon Decron Bakelite Melamine Nylon Decron Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Bituminous Anthracite Peat Lignite Bituminous Anthracite Peat Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is carbon dioxide chlorine alcohol sodium chlorine carbon dioxide chlorine alcohol sodium chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Oxidation Roasting Electrolysis Zone refining Oxidation Roasting Electrolysis Zone refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer O 2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
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