Q. Salts of which among the given elements provide colours to fireworks?

  • (A) Chromium and nickel
  • (B) Zinc and sulphur
  • (C) Potassium and mercury
  • (D) Strontium and barium
✅ Correct Answer: (D) Strontium and barium

Published by Ram Sharma ⭐ 193.88K Points at 23-Feb-2022 11:19 am in Chemistry

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