AP (Advanced Placement) Experiment Practice Questions
The free AP (Advanced Placement) questions that deal with experiment, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #1
A student conducts an experiment to determine how temperature affects the solubility of salt. What is the independent variable?
Correct answer: C
Explanation
The independent variable is the one that is changed or controlled in a scientific experiment.
Question #9
In a chemistry experiment, students mix hydrochloric acid with sodium bicarbonate. What gas is produced?
Correct answer: C
Explanation
The reaction produces carbon dioxide gas as a byproduct.
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