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 Which one of the following nonmetals shows allotropy in the liquid state? Bromine Phosphorous Carbon Sulphur Bromine Phosphorous Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Distilled water Rain water River water Sea water Distilled water Rain water River water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Cadmium Cobalt Chromium Gold Cadmium Cobalt Chromium Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer O 2 layer CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Solid non-metal Solid metal Liquid metal Liquid non-metal Solid non-metal Solid metal Liquid metal Liquid non-metal ANSWER DOWNLOAD EXAMIANS APP
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