Write the formulas of oxides that correspond to hydroxides: H2CO3, Mg (OH) 2, Al (OH) 3, H2SO4, KOH4.

H2CO3 – CO2 (carbon monoxide (IV).

Mg (OH) 2 – MgO (magnesium oxide).

Al (OH) 3 – Al2O3 (aluminum oxide).

H2SO4 – SO3 (sulfur oxide (VI).

KOH – K2O (potassium oxide).

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