Which one of the following does not contain silver? (a) Horn silver (b) German silver
Which one of the following does not contain silver?
(a) Horn silver (b) German silver (c) Ruby silver (d) Lunar caustic
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(b) German silver has a color resembling silver, but is an alloy of primarily copper, nickel and zinc. Chlorargyrite is the mineral form of silver chloride (AgCl). It is also known as horn silver. Proustite is a sulfosalt mineral consisting of silver sulfarsenide, Ag3AsS3, known also as light red silver or ruby silver ore, and an important source of the metal. Silver nitrate is an inorganic compound with chemical formula AgNO3. It was once called lunar caustic because silver was called luna by the ancient alchemists.
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