From the given compounds, how many total number of compounds are acidic in nature. $C a O, S O_{2}, S O_{3}, F e_{2} O_{3}, C l_{2} O_{7}, C O_{2}, N_{2} O$

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Solution

Oxides of metals are basic whereas oxides of non-metals are acidic. $S O_{2}, S O_{3}, C l_{2} O_{7}$ and $C O_{2}$ are acidic. However, $N_{2} O$ is neutral.

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