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Metal Extraction and Application
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QuestionClick to flip
Which of the following statements is/are false?
A. Copper is used for making anticorrosive wires that are used in electrical industries.
B. Constantan consists of 60% copper and 40% tin.
C. In the manufacturing of dye-stuffs, paints zinc dust is used as reducing agent.
AnswerClick to flip back
A
Only B
💡 Explanation:
Constantan is a copper-nickel alloy usually consisting of 55% copper and 45% nickel.
Hence, statement B is only false.