1.

An oxide X in the normal form is almost non-reactive due to very high X - O bond enthalpy. It resists the attack by halogens, hydrogen and most of acids and metals even at elevated temperature. It is only attacked by HF and NaOH. The oxide X is.A. `SiO_(2)`B. `CO_(2)`C. `SnO_(2)`D. `PbO_(2)`

Answer» Correct Answer - A
`SiO_(2)` is attacked by HF and NaOH but not by chemicals under normal conditions


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