Question

In an experiment, Lydia added 50 grams of sugar to 200 milliliters of water. She stirred the mixture, and the sugar eventually dissolved into the water and couldn’t be seen. The volume of the solution increased, but there was no noticeable change in color, odor, or temperature. Which statement best describes what happened in Lydia’s experiment?

Answer 1

used different types of sugar

If more than one variable changes at a time, the outcome of the experiment may not be clearly attributable to any one of the variables. {USA TestPrep Users}

Answer 2

A physical change has taken place in the experiment.

A physical change is one in which there is no change in the composition of the substance. There is no change in the temperature, color or odor of the system.

In the experiment, 50 grams of sugar was added to 200 milliliters of water, upon stirring the system, the volume of the solution increased, but there was no noticeable change in color, odor, or temperature. This leads us to the conclusion that a physical change has taken place.

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