Chemistry, asked by asharma2, 1 year ago

why do we not categories metal oxides as salt while we categories metal sulphide as salt?

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Answered by Anonymous
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Why are metallic oxides not salt, but metallic sulphides are?
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Ted Krapkat
Ted Krapkat, Head of Hardware at Consiglio Devastations (2016-present)
Answered Aug 30
In chemistry, a salt is an ionic compound that can be formed by the neutralization reaction of an acid and a base, to form the salt of the acid and water.

Metal oxides are bases, so they (generally) react with acids to form salts and water. e.g.:-

CaO + 2HCl → CaCl22 + H22O

In this reaction, the salt is CaCl22 (calcium chloride).

Metal sulphides, on the other hand, are salts formed by the reaction of metal bases (such as NaOH) with H22S, which acts as an acid.

H22S + 2NaOH → Na22S + 2H22O
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