Kaplan SAT Chem relatively hard??!

Test Preparation SAT Subject Test Preparation
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<p>Hi everyone. I am planning on taking the SAT Chemistry subject test on the 24th and to prepare for it, I have tried solving Barron's, PR, and Kaplan. Normally, I've read around the forum that Barron's is the hardest out of the three, but when I solved Kaplan last night, it seemed as hard/or even harder than the Barron's practice tests. Is there something wrong with me??? </p>

<p>PR (and Barron's too) was fine, but I've scored relatively lower on Kaplan, and this really bothers me... Kaplan also seems to have a lot of concepts I haven't heard of before (normality, specific gravity, Faraday?)</p>

<p>So, I guess my question to those who have taken SAT Chem before is: how close to the real test is Kaplan (as well as the other practice books)? Should I worry if my scores are lower in Kaplan compared to the ones in Barron's? Thanks a lot..</p>

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<p>I scored about 130 pts higher on my real SAT chem than on Kaplan. </p>

<p>But just you know, SAT chem has questions that are really random, so it doesn’t hurt to actually learn what normality/specific gravity/Faraday are.</p>