The Black Tarnish on Silver Is

question 62

Multiple Choice

The black tarnish on silver is

• A) AgOH.
• B) Ag₂O.
• C) AgCl.
• D) Ag₂S.

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Definitions:

Porous

Characterized by the presence of tiny holes or spaces through which liquids or gases can pass, making the material permeable.

Precipitation

Any form of water, liquid or solid, that falls from the atmosphere and reaches the ground, including rain, snow, sleet, and hail.

Erosion

Erosion is the natural process by which soil, rock, and other surface material are worn away and transported by natural forces, such as water or wind.

Condense

To reduce something, such as a text or statement, to make it shorter, while retaining the essential information or to change the physical state of a substance from gas to liquid.