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Q133
(IAS/2007)
Science & Technology › Basic Science (Physics, Chemistry, Biology) › Periodic table elements
Answer Verified
Which one of the following does not contain silver?
Result
Your answer:
—
·
Correct:
B
Explanation
German silver (nickel silver) is an alloy of copper, nickel and zinc and—despite its name—contains no silver, so it does not actually include the element silver. Horn silver is the common name for silver chloride (AgCl), which obviously contains silver [1]. Lunar caustic refers to silver nitrate (AgNO3), another silver-containing compound [1]. “Ruby silver” historically denotes a trade name for a silver-containing material (used in decorative or compound forms), and thus contains silver. Therefore the only item in the list that does not contain silver is German silver (option 2).
Sources
- [1] Science , class X (NCERT 2025 ed.) > Chapter 1: Chemical Reactions and Equations > Activity 1.8 > p. 9
- [2] https://pubchem.ncbi.nlm.nih.gov/compound/Silver-Nitrate
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