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  1. B

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Thank you Cool Crystals, but can you please explain why the answer is Sulphur Dioxide (D) and not nitrogen (B) (Yes you are right). And thanks for the explanation to my second doubt :)
  2. B

    POST YOUR BIO AND CHEM PAPER 1 DOUBT HERE !!!!

    Chemistry MCQ doubt: Q: In some countries, ethanol, rather than petrol, is used as a fuel for cars. Which gas is not present in the exhaust from cars that burn ethanol? A Carbon dioxide B Nitrogen C Oxides of nitrogen D Sulphur dioxide
  3. B

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Another doubt, please help :) An excess of dilute hydrochloric acid is added to aqueous sodium hydroxide. What is the pH of the aqueous sodium hydroxide before the acid is added, and what is the pH of the final mixture? KEY pH of aqueous sodium hydroxide pH of final mixture Option A: 3 7...
  4. B

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Chemistry MCQ doubt: Q: In some countries, ethanol, rather than petrol, is used as a fuel for cars. Which gas is not present in the exhaust from cars that burn ethanol? A Carbon dioxide B Nitrogen C Oxides of nitrogen D Sulphur dioxide
  5. B

    Crocodile Monkey and Catalyst Predicts paper for Mondays CIE exam

    where are the answers
  6. B

    Chemistry Doubts: IGCSE Paper 3

    Guys, help me with this question. Thanks. The same linkage is found in polyesters. Draw the structure of the polyester which can be formed from the monomers shown below. HOOC—C6H4—COOH andHO—CH2 —CH2 —OH
  7. B

    Additional Mathematics ; post your doubts here!

    Hi... 0606_w04_qp_2 > Question 12 EITHER part (ii). (IGCSE Additional Mathematics > Winter 2004 > Paper 2 > Question 12 EITHER > Part (ii) Can you please help me solve it? Thanks :)
  8. B

    Bio paper 32, lets discuss!

    1. in the nitrogen cycle diagram, will i lose a mark if i only wrote fixation for one of the answers, instead of writing nitrogen fixation? 2. In Q 1, where we had to list three substances absorbed by villi in both the alimentary canal and the kidney tubule, are these three answers: -Water...
  9. B

    He who smiles in a crisis has found someone to blame.

    He who smiles in a crisis has found someone to blame.
  10. B

    He who smiles in a crisis has found someone to blame

    He who smiles in a crisis has found someone to blame
  11. B

    IGCSE Geography OS Maps

    Hey guys, if anyone has any survey maps (OS Maps) for Question 1 of Paper 2 of IGCSE Geography (0460), or knows internet URLs for the same, then please help me. Please upload the files (PDFs) in this thread itself or email them to me: [email protected]. Just need them for practice. Maps...
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