Question

Tonya, a chemist, tests an unknown solution for its electrical conductivity. She places wires that are attached to a battery and an ammeter into the solution. The needle on the ammeter moves. From this observation, what can be concluded with the highest degree of certainty?

A. The solution contains an electrolyte.
B. The solution contains a nonelectrolyte.
C. The solution contains a weak electrolyte.
D. The solution contains a strong electrolyte.