Chemistry Which one is the lightest element in the periodic table Hydrogen Oxygen Helium Carbon Hydrogen Oxygen Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Chromium Lead Copper Cadmium Chromium Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Propyl alcohol Ethanol Ethylene glycol Methanol Propyl alcohol Ethanol Ethylene glycol Methanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 92 330 238 146 92 330 238 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Baking soda Washing soda Soda ash Bleaching powder Baking soda Washing soda Soda ash Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
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