Why reactivity of al decreases if it is dipped in hno3?
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HNO3 is an oxidising agent. When aluminium is dipped in HNO3, an oxide layer (of aluminium) is formed on the surface of the metal, which prevents it from further reaction.
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Answer:
HNO3 is an oxidising agent. When aluminium is dipped in HNO3, an oxide layer (of aluminium) is formed on the surface of the metal, which prevents it from further reaction.
Explanation:
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