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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.
Acids are chemical compounds that can react with metals and other substances to eat them away or damage them. You can usually identify an acid by its pH value, such characteristics as taste or feel, and its chemical formula. One common place acids are found is in soft drinks.n acid is a solution with a pH less than 7.0. Litmus paper is often used to give a rough estimate of the pH. When the paper turns red, the material is acidic, and when the paper turns blue, it contains a base. Gardeners use the pH scale to determine how acidic or alkaline their soil is.