<p>Have you taken a look at this?</p>
<p>[FAQs</a> for New Freshmen](<a href=“http://chemistry.ucsd.edu/undergraduate/academic-information/FAQs/faq-freshmen.html]FAQs”>http://chemistry.ucsd.edu/undergraduate/academic-information/FAQs/faq-freshmen.html)</p>
<p>If tells you if you should take the placement exam, and if you are unsure, you can always take it out of curiosity. I don’t believe the results are binding–you can always take something other than what they recommend.</p>