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Which one of the following nitrates will leave behind a metal on strong heating?

1. Copper nitrate
2. Manganese nitrate
3. Silver nitrate
4. Ferric nitrate

Correct answer: Silver nitrate

Solution

Silver nitrate decomposes upon strong heating to produce silver metal, nitrogen dioxide, and oxygen, leaving behind solid silver. This property distinguishes it from the other nitrates listed, which do not yield a metal upon decomposition.

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