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Amfa - Study guides, Class notes & Summaries

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BUNAMFAN EXAMINATIONS MARCH/APRIL FORM FOUR CHEMISTRY PAPER 1 2019 MARKING SCHEME

  • BUNAMFAN EXAMINATIONS MARCH/APRIL FORM FOUR CHEMISTRY PAPER 1 2019 MARKING SCHEME

  • Exam (elaborations) • 11 pages • 2021
  • 17. In the equation below give the acid in the forward reaction and the base in the backward reaction. (2 Marks) OH-(aq) +H2O(l) H2O(l) + OH (aq) Acid: H2O2 (forward reaction)√1/2 Base: H2O (backward reaction)√1/2 18. Elements Q,S,T,U,R and P belong to the same period in the periodic table. The ions formed by the atoms of the elements are given below: Q2+, U-, T2-, R3+, P+ and S3- . (a) Arrange the elements in order of increasing atomic size. (2mks) U, T, S , R, Q, P√1 Increasi...
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