Question

Mary conducts an experiment in which she pours a clear, colorless liquid into a beaker containing an aqueous solution. All of the properties below could indicate that a chemical change has occurred in her experiment EXCEPT which choice?

Select the correct answer below:

A cloudy white solid appeared suddenly in her solution.

The cold beaker became very hot as soon as the liquids came into contact.

The beaker began to smell like rotten eggs.

The temperature of the beaker dropped slightly in response to an adjustment in the temperature of the lab.

Answer 1