AP Chem: What to do with the random trivia on the first couple MC questions?

Pre-College Topics High School Life
1

<p>You know how you start the MC on Chem and you begin with the list of the elements preceding the questions and you pick the one that matches the descriptions, how would you know this random knowledge?</p>

<p>For ex when I cracked open my Princeton: “After oxygen, this is by far the most common element in the earth’s crust.” Answer is Silicon</p>

<p>The review content in the PR doesn’t go over this either, so is it just “you either know it or don’t”?</p>

2

<p>I would like to know the answer to this question too!</p>

3

<p>Just don’t worry about it unless you think you’ll be on the edge between two scores. If you are, then I guess you could study everything in your textbook like crazy if you really care…</p>

4

<p>when all else fails… the answer is always C</p>

5

<p>The minimum score for a 5 on the AP Chem test is about 57% correct, so you’re going to see a lot of material you don’t know on the test. Don’t worry about it, that’s normal. Just eliminate any answers you can based on whatever knowledge you have, and then take a guess.</p>

<p>Often these kinds of questions aren’t really random trivia, they’re tied to a larger scope. For example, continental crust is made of granite, which is about 75% quartz (SiO2). So this question isn’t really testing whether or not you memorized a table from the book, it’s testing whether or not you know what the earth is made of.</p>

6

<p>I always thought those were more like “application questions.” Know real-life uses and such. It seems that people in my class usually seem to know these. It may just be the random accumulation of knowledge or it could be that out teacher tends to go on many tangents.</p>

7

<p>I’ve been wondering too - is there any kind of study sheet out there that has this kind of info?</p>

8

<p>Here’s the random info I’ve compiled from released exams. Surprisingly, only some of them have random facts.</p>

<p>1994
11. Utilized as a coating to protect Fe from corrosion: Zn
12. Is added to silicon to enhance its properties as a semiconductor: As
13. Utilized as a shield from sources of radiation: Pb
2008 Audit

  1. Commonly used as a disinfectant for minor skin wounds: H2O2
  2. A refrigerant implicated in the thinning of the stratospheric ozone layer: CCl3F
  3. A major component of the fuel known as natural gas: CH4</p>
9

<p>Thanks karaoke for sharing that info.</p>

<p>I guess it’s just random each year.</p>

10

<p>

</p>

<p>Pray that its random trivia that you know</p>