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Report Abuse. Acidic Gases are those gases, which when dissolved in water, show acidic properties. CO2 when dissolved gives H2CO3, which is acidic, NO2 gives HNO3(Nitric Acid). SO2 gives Sulphurous Acid, SO3 gives Sulphuric Acid. There are plenty of such examples.
Best Answer: Inert gases are gases that belong to Group VIII at the periodic table and its distinct characteristic is that they will hardly react and even do not react at all with other chemical such as metal or acid. Recently though, scientist had able to produce compound from inert gas: XeF4, xenon tetrafluoride.