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Can any one tell me What is the meaning of corrosion? |
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Answer» Rusting Due to exposing of moisture and acid attack on the surface of metals there started forming of a powdery substance usually known as rust then the process is known as corrosion. When some metals are exposed to moisture, acids etc., they tarnish due to the formations of respective metal oxide on their surface. This process is called “corrosion”.1) 4 Ag + 2H2S + O2\xa0→ 2Ag2S + 2H2O2) 2 Cu + O2\xa0→ 2 CuO It is a process of slow and gradual conversion of a metal into its compound by the attack of air and moisture present in the atmosphere.Example - reddish brown coating on iron |
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