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Recent content by isa2hard

  1. I

    Chemistry MCQ thread...

    15 The reaction between KI and concentrated H2SO4 is a redox reaction. 5H2SO4 + 8KI → 4K2SO4 + 4I2 + H2S + 4H2O What is the change in oxidation state of the element that is reduced? A 1 B 4 C 6 D 8 help pls
  2. I

    Chemistry MCQ thread...

    14 Use of the Data Booklet is relevant to this question. When 3.00 g of an anhydrous nitrate of a Group II metal is decomposed, 1.53 g of gas is produced. What is the nitrate compound? A beryllium nitrate B calcium nitrate C magnesium nitrate D strontium nitrate help pls i dont get...
  3. I

    Chemistry MCQ thread...

    help pls
  4. I

    Chemistry MCQ thread...

    is there a guide on how to do these multiple choice? srsly they are so hard i doubt i can even get 10/40
  5. I

    chemistry need some help fast!!!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s10_qp_23.pdf for question 2b ii) i thought it was n=cv? why does it use a different formula on mark scheme
  6. I

    chemistry AS need help question PLS

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w11_qp_21.pdf question 3b iii) how do i get the enthalpy value? i dont get it pls help
  7. I

    SHOULD I TAKE A2 ENGLISH NEXT YEAR?

    bump
  8. I

    SHOULD I TAKE A2 ENGLISH NEXT YEAR?

    basically we choose 5 subjects, and theres 5 subjects to be taught each day. if i take 3 a2's i can take 1 as and have a free period. current subjects are ig accounting which im not bothering with ig physics as maths as chem as english or should i just take a2 maths a2 chem as history as...
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