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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.
The Noble gases are a group of elements that possess many similar characteristics and properties. Noble gases as odorless, colorless, tasteless and non-flammable.They have a very low chemical reactivity.The six naturally occurring noble gases currently known are Argon (Ar), Neon (Ne), Helium (He), Krypton (Kr), Xenon (Xe) and radioactive Radon (Rn).he Noble gases are a group of elements that possess many similar characteristics and properties. Noble gases as odorless, colorless, tasteless and non-flammable.