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GK QUESTION#3171

Consider the following statements: 1. Electrum is a naturally occurring alloy of gold and silver. 2. Constantan is an alloy of copper and nickel. Which of the statements given above is/are correct?

  1. A1 only
  2. B2 only
  3. CBoth 1 and 2Correct answer
  4. DNeither 1 nor 2
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Answer

C. Both 1 and 2

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Explanation

Electrum is a naturally occurring gold–silver alloy. Constantan is a copper–nickel resistance alloy. Both statements are true; their exact proportions can vary, so no fixed composition percentage is needed for this identification.

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