Acompound composed of a metal and a nonmetal is dissolved in water the solution is been exposed to an electric current attached a lightbulb what do you expect should happen

light bulb turns on

light bob turns off

light bulb flickers on and off

light bulb gets colder

The answer to your question is:  Light bulb turns on

Explanation:

When we combine a metal and a nonmetal the product is a binary salt. Binary salts dissociate is solution and are good conductors of electricity.

Solutions of salt in water are called electrolytes.

In the question, they are describing a binary salt that is dissolve in water to produce an electrolyte, that means a good conductor of electricity.

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.