Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Helium Argon Neon Nitrogen Helium Argon Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Lime Petrol Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 18 17 16 19 18 17 16 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Teflon Perspex Polystyrene Styrofoam Teflon Perspex Polystyrene Styrofoam ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone methane oxygen helium ozone methane oxygen helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight ANSWER DOWNLOAD EXAMIANS APP
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