<p>There is a quiz on the current 5.12 page which purports to tell you whether or not you are adequately prepared for 5.12: <a href="http://web.mit.edu/5.12/www/Spring05/handouts/s_2005bkgquiz.pdf%5B/url%5D">http://web.mit.edu/5.12/www/Spring05/handouts/s_2005bkgquiz.pdf</a></p>
<p>But if you already know a great deal about general chemistry, why not just take the chemistry advanced standing exam rather than taking 5.12 and 5.112 concurrently?</p>