JAMB Physics 2004 Question 47

Question 47

Conduction through Liquids and Gases

Which of the following is an electrolyte?

  1. A.grape juice
  2. B.sugar solution
  3. C.alcohol
  4. D.paraffin
Show the answer and explanation

Answer: A (grape juice)

Explanation

Grape juice contains acids and salts that form ions, so it conducts and is decomposed by current; the others do not ionise.