A metal A reacts with oxygen to form a metallic oxide AO, this oxide reacts with moisture and carbon dioxide of the atmosphere to form basic carbonate. metal a prevent rusting of iron .identify metal A?

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Solution

The metal M is copper.
Because when the copper reacts with oxygen then it forms copper oxide.
$2 Cu + O_{2} \to 2 CuO$
When this copper oxide reacts with the moisture and carbon dioxide then it forms basic copper carbonate.
The compound forms a layer of green color on the walls.

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Q. Metal M reacts with Oxygen to form metallic oxide, this oxide reacts with moisture and carbon dioxode of the atmosphere to form a basic carbonate. Metal M prevents rusting of iron . identify metal M

Q. We know that metals reacts with oxygen to form metal oxide and iron reacts with it to form iron oxide or rust. So iron oxide and rust are same ??

as you said metals and non-metals react with oxygen to produce their oxides ,which are basic and acidic in nature

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magnesium reacts with oxygen to form magnesiumoxide but why then a non-metal like sulphur react with oxygen and form sulphur dioxide why not sulphur oxide??

Q. Write the Balanced Chemical Equations for each of the following Reactions? Classify them?
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A metal A reacts with oxygen to form a metallic oxide AO, this oxide reacts with moisture and carbon dioxide of the atmosphere to form basic carbonate. metal a prevent rusting of iron .identify metal A?

The metal M is copper.Because when the copper reacts with oxygen then it forms copper oxide.2Cu+O2→2CuOWhen this copper oxide reacts with the moisture and carbon dioxide then it forms basic copper carbonate.The compound forms a layer of green color on the walls.

The metal M is copper.
Because when the copper reacts with oxygen then it forms copper oxide.
$2 Cu + O_{2} \to 2 CuO$
When this copper oxide reacts with the moisture and carbon dioxide then it forms basic copper carbonate.
The compound forms a layer of green color on the walls.