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What is meantby ‘930 fine silver? - Chemistry (Theory)

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Question

What is meantby ‘930 fine silver?

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Solution

  1. “930 fine silver” means that the silver material contains 93.0% pure silver by weight.
  2. The remaining 7.0% consists of other metals or impurities mixed with the silver to form an alloy.
  3. The term “fine” denotes the purity level of the silver, expressed in parts per thousand.
  4. Thus, “930 fine silver” indicates that out of 1000 parts, 930 parts are pure silver.
  5. This purity level is commonly used to describe silver alloys in jewelry, coins, or other silver products where some added metal is needed for strength or durability.
  6. Pure silver is typically 999 fine or 99.9% pure, so 930 fine silver is slightly less pure but still of high quality.
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Chapter 6: General Principles and Processes of Isolation of Elements - REVIEW EXERCISES [Page 350]

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Nootan Chemistry Part 1 and 2 [English] Class 12 ISC
Chapter 6 General Principles and Processes of Isolation of Elements
REVIEW EXERCISES | Q 6.15 ii. | Page 350
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