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Q.

Find the number of acidic oxides from the following
CO,GeO,SnO,PbO₂,SnO₂,GeO₂,SiO₂____

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answer is 3.

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Detailed Solution

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SiO₂,GeO,GeO₂ are acidic
CO is neutral SnO₂, Pbo₂, SnO are amphoteric

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