Q. The ratio of pure gold in 18 carat gold is –

  • (A) 100%
  • (B) 80%
  • (C) 75%
  • (D) 60%
✅ Correct Answer: (C) 75%

Published by Admin ⭐ 38.37K Points at 23-Jan-2021 08:30 am in Science

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