A level chem past paper

• [DOC File]YEAR 13 PRACTICAL 5 - A-Level Chemistry

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  7. Remove the filter paper with the solid residue on it and scrape it into another beaker. Stage 3: Purification of the crude product. 8. Recrystallise the aspirin from the minimum quantity of boiling water. Stage 4: Confirmation of yield and purity. 9. Once the product …

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• [DOC File]AS Questions - Ideal Gas Equation - A-Level Chemistry

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  1.2 Exercise 3 - Ideal Gas Equation. Remember: R = 8.31 JK-1mol-1, 0 K = -273 oC. Calculate the volume occupied by one mole of a gas at 25 oC and 100 kPa. Calculate the pressure of a gas given that 0.2 moles of the gas occupy 10 dm3 at 20 oC.

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• [DOCX File]www.freekcsepastpapers.com

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  CHEM PP1 FORM 4Page 11. ... The figure below shows a paper that was placed horizontally across the middle of a non-luminous flame and quickly withdrawn. Paper Charred black Unburnt (a) Explain the observations(1mk) ... 27.The following is an energy level diagram for …

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• [DOC File]MASENO

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  This question paper has . 10 . printed pages. Confirm that all the pages are printed as indicated and. No. questions are missing. a) Consider the following reaction: A2(g) + B2(g) 2AB(g), ΔH = +75kJ Sketch an energy level diagram showing the relative activation energies for the catalysed and uncatalysed reactions using the axes below. (2mks)

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• Supplemental Paper JULY

  On the diagram draw a line to show where the level of each liquid is in each piece of glassware . before the separation. Also label the liquids. (1.5) 2.3.2 Redraw the diagram again in your answer book. This time on the diagram draw a line to show where the level of each liquid is in each piece of glassware . after the separation /

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• [DOC File]Automated-General Chemistry Checklist

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  Paper/electronic signature review must be at the level of each procedure, or as multiple signatures on a listing of named procedures. A single signature on a Title Page or Index of all procedures is not sufficient documentation that each procedure has been carefully reviewed.

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• [DOC File]papers.gceguide.com

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  Mar 16, 2016 · This section is commonly assessed via the Practical/Alternative to Practical paper (Paper 4). Learners should refer to past papers to practise the range of common tasks. One approach is to ask learners to research and devise their own method for making a named salt.

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• External Examiner:

  Answer all 5 questions on the paper provided and show your working clearly. Marks are given in brackets after each question and all questions are marked out of 20. The question paper consists of 8 pages including a Periodic Table and a Data Sheet. Please check that you have them all. NOTE: marks will be deducted if the significant figures are ...

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• [DOCX File]Grades on your report ience.org - Home

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  Every topic will have a test that will use questions taken from CIE iGCSE chemistry past papers. You should be preparing for these tests throughout your studies by solving the past paper questions and completing the topic books.

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• [DOCX File]FREE KCSE PAST PAPERS

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  (a) Show the level of water in the tubes A and B after some time. (1mark) (b) Write ionic equation of the reaction that takes place in (2marks)

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