Sat Ii Chemistry

shatender
Sat, 28 Apr 2007 18:03:07 +0000

I bought two books–Barrons and McGraw Hill’s.
I took a practice test in both. Barron’s got me 650-680; McGraw Hill got me 790. Which one is more reliable?!

Also, collegeboard website says that the test has 85 questions, but these books only have 70. did the test change this year?