Chemistry Which one is the lightest element in the periodic table Carbon Helium Oxygen Hydrogen Carbon Helium Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Neon Argon Helium Oxygen Neon Argon Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Lead Copper Chromium Cadmium Lead Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Molybdenum Manganese Mercury Lead Molybdenum Manganese Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Oxidising property Reducing property Basic property Acidic property Oxidising property Reducing property Basic property Acidic property ANSWER DOWNLOAD EXAMIANS APP
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