📚 Practice Mode

Metal Extraction and Application

Learn at your own pace with hints and detailed explanations

1 / 20
Multiple Choice

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.

  1. Only A
  2. Only B
  3. Only C
  4. Only A and B
  5. Only B and C
Change Mode