Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Krypton Radon Helium Argon Krypton Radon Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Cooking Mining Welding Anaesthesia Cooking Mining Welding Anaesthesia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 300 km 100 km 150 km 200 km 300 km 100 km 150 km 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 oxygen methane helium ozone oxygen methane helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Nitrogen Chlorofluorocarbons Methane Carbon dioxide Nitrogen Chlorofluorocarbons Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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