Which of the following substances decomposes when an electric current is passed through it?

CHEMISTRYWAEC 2001

Which of the following substances decomposes when an electric current is passed through it?

  • A. Glucose solution
  • B. Zinc rod
  • C. Hydrochloric acid
  • D. Tetrachlormethane

Correct Answer: C. Hydrochloric acid

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