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When dilute hydrochloric acid is added to iron(ll)sulphide, the gas evolved will?

When dilute hydrochloric acid is added to iron(ll)sulphide, the gas evolved will?
  • A.
    turn moist red litmus paper blue
  • B.
    turn lime water milky
  • C.
    blacken lead acurate paper
  • D.
    rekindle a glowing splint
  • E.
    burn a sqeakly pop
Correct Answer: Option C
Explanation