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  1. AbbbbY

    Chemistry: Post your doubts here!

    Which is primarily why I ask people to link to the marking schemes and question papers instead! Anyway. The first one is A because: FeTiO3 = 151.7g TiO2 = 79.9g You just need the TiO2 mass ratio out of it. (FeTiO3 -> TiO2 + FeO, not that it matters) Since it's a ratio, grams, tonnes...
  2. AbbbbY

    Chemistry: Post your doubts here!

    B Cis-trans: Presence of double bond and the heavy-side light-side together rule. Optical isomerism: Chiral center. A- Chiral, but no cis-trans. B- Chiral and cis trans C- No Chiral but cis-trans D- Chiral, but no cis-trans
  3. AbbbbY

    Chemistry: Post your doubts here!

    1: D __ CO2 = 0.8 mol H2O = 0.8 mol 0.2 : 0.8 : 0.8 = 1 : 4 : 4 So, the Hydrocarbon is giving 4 mols of CO2 and H2O on combustion of 1 mol of the HC. The only options that can give 4 mols of CO2 are C and D. Now, I know by looking the an alkene cannot give me 1:1 CO2:H2O, but even if you don't...
  4. AbbbbY

    Chemistry: Post your doubts here!

    Are you sure you didn't read the answers wrong? I've gotten to A with the first one, I'm damn sure the second one is D. Could you please recheck? For the last one, One mol of alcohol reacts with one mol of the acid to form one mol of ester. Ethanol: 46 Ethanoic Acid: 60 Ethyl Ethanoate: 88...
  5. AbbbbY

    Stop restating the same thing everywhere. -_- P.S: Atletico is also Madrid. -__-

    Stop restating the same thing everywhere. -_- P.S: Atletico is also Madrid. -__-
    • AbbbbY
    • Profile post comment
  6. AbbbbY

    Football/Soccer anyone?

    That said, nothing but respect for Atletico. Going this far and leading for an hour against a team full of superstars with the squad they have, AND doing so with Costa and Turan absent. Wow.
  7. AbbbbY

    Football/Soccer anyone?

    You win some, you lose some. Atletico 1-0 up untill 93. Concede at 93 and go on to lose 4-1. Wow. Gutted for Simeone, but at the same time happy for Ancelloti. Both amazing managers, although I wish Atletico had won. Football would've won if Atletico had won.
  8. AbbbbY

    Chemistry: Post your doubts here!

    I'd go with B. And, D? What're the answers? Its actually easier for to help if the papers are linked. That way one can answer, then check if it's correct. No point giving a wrong explanation.
  9. AbbbbY

    Mathematics: Post your doubts here!

    Paper pictures *after* the paper don't count as proof in the eyes of CIE. Just saying.
  10. AbbbbY

    Chemistry: Post your doubts here!

    Just got done with this. It might help any of you like myself who left P5 to the last day. (Well, me, because I really don't care about it. It's such a tiny percentage etc). What I noticed going through a few papers was some Q2's actually showed you how to do Q1's of other years, so I made a...
  11. AbbbbY

    Maths P32 GT and paper discussion

    WHAT! June 13 was a baby paper! This was so much tougher, relatively, and lengthy!
  12. AbbbbY

    Football/Soccer anyone?

    Turan and Costa out. Ronaldo possibly out (though I doubt it). Wont be fun. I wanted to see a full squad final.
  13. AbbbbY

    Football/Soccer anyone?

    Atletico win, Hull ALMOST contain Arsenal, Bayern-Dortmund neck to neck with drama continuing to the 120th minute. From almost scoring at one end to scoring on the other. Wow. What a day for football. And respect to Hull! Put up quite a fight. I wasn't expecting half of this from their squad.
  14. AbbbbY

    Mechanics 1 P42 2014; Discussion!

    Namehere Hallelujah! We're not alone!! :)
  15. AbbbbY

    Guide and Tips-O Levels

    I don't know about the texts, but there's no restriction on what questions you can attempt (unless it's a condition by the particular paper. As in, if Q1 is answered, you can't answer Q2, if one topic is from Section A, the other has to be from B or C etc). So, you're safe.
  16. AbbbbY

    Guide and Tips-O Levels

    Schools have nothing to do with that. They can't limit what texts you can attempt. I'm telling you it wont make a difference. That said, why would you want to attempt a text you're not taught?
  17. AbbbbY

    ANY THING RELATED TO 7 MAY 2014 PAPER 22 CHEMISTRY AS LEVEL

    Don't worry. Was just a mark. Happens to the best of us. Like I said, and repeat, the caps were to get the point across, with stress on the particular word. Shouting a word? C'mon. There's a phrase "Baat ka batangar banana". Exactly that is going on here. It's nothing, rreally. Leave it and...
  18. AbbbbY

    Guide and Tips-O Levels

    Of course you can!
  19. AbbbbY

    Chemistry: Post your doubts here!

    By shocking, I meant, currently everyone I ask is already placing themselves at A* given the paper. And yes. This was a common mistake. A lot of people couldn't tackle this question OR the part succeeded it, which asked for oxidation and reduction equations. Q1a was troublesome for a lot of...
  20. AbbbbY

    Chemistry: Post your doubts here!

    I couldn't have said it any better. The paper had a looooot of places people could skim thru and mess up. Got me too in one of the questions, had to fix it while rechecking. People have made a lot more tiny 1-2 mark mistakes than they think so this should help neutralize the GT. That said, the...
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