Silver articles turn black when exposed to the atmosphere for a few days.

True

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False

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Solution

The correct option is A True
Silver articles when exposed to the atmosphere for a few days reacts with hydrogen sulphide to form silver sulphide. This results in the formation of black layer on the surface of silver articles. This phenomena is called tarnishing of silver. This can be represented as:

$Silver + Hydrogen sulphide \to Silver sulphide + Hydrogen gas$

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Similar questions

Silver articles turn black when exposed to the atmosphere for a few days due to the formation of silver sulphide.

Q. A silver article generally turns black when kept in the open for a few days. The article when rubbed with toothpaste again starts shining. Silver articles turn black when kept in the open for a few days because of _________.

Question 38

A silver article generally turns black when kept in the open for a few days. The article when rubbed with toothpaste again starts shining.

(a) Why do silver articles turn black when kept in the open for a few days? Name the phenomenon involved.

(b) Name the black substance formed and give its chemical formula.

Q.
Why Silver articles become black when exposed to air ?

Silver articles become black when exposed to air due to formation of:

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