Question

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oxides​

Answer 1

Answer:

An oxide (/ˈɒksaɪd/) is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula. "Oxide" itself is the dianion of oxygen, an O2– atom. Metal oxides thus typically contain an anion of oxygen in the oxidation state of −2.

Explanation:

Answer 2

Answer:An amphoteric oxide is an oxide that can act both as an acid and as a base. An example is aluminium oxide, Al2O3. It reacts with acids to form the corresponding aluminium salt, and with bases to form salts called aluminates.

Example reactions

Al2O3 + 6HCl → 2AlCl3 + 3H2O

Al2O3 + 2NaOH → Na2Al2O4 + H2O

Explanation: