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4. Se considera un óxido ácido:

a) MgO
b) Na₂O
c) SO₂
d) CaO


Sagot :

Final answer:

CaO is an acidic oxide in chemistry.


Explanation:

CaO is considered an acidic oxide. In chemistry, acidic oxides are oxides of non-metals that react with water to form an acid. They can also react with bases to form salts.


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