Q. Which among the given imparts a blue colour to glass -

  • (A) Copper oxide
  • (B) Cabalt oxide
  • (C) Iron oxide
  • (D) Nickel oxide
✅ Correct Answer: (B) Cabalt oxide

Published by Ram Sharma ⭐ 193.88K Points at 02-Mar-2022 12:29 pm in Chemistry

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