Zimsec a level chemistry paper 1 2016 ms

    • [PDF File]Mark scheme (A-level) : Paper 1 Inorganic and physical chemistry ... - AQA

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      MARK SCHEME – A-LEVEL CHEMISTRY – 7405/1 – JUNE 2020 6 • the cyanide ion or CN– when the reagent should be potassium cyanide or KCN; • the hydroxide ion or OH– when the reagent should be sodium hydroxide or NaOH; • the Ag(NH 3) 2 + ion when the reagent should be Tollens’ reagent (or ammoniacal silver nitrate). In this example, no credit is given for the ion, but credit could ...


    • [PDF File]Mark Scheme (Results) Summer 2016 - Edexcel

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      in Chemistry (6CH04) Paper 01 General Principles of Chemistry I . Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications including academic, ... Summer 2016 Publications Code 46660_MS* All the material in this publication is copyright ...


    • [PDF File]Mark scheme (A-level) : Paper 1 Inorganic and physical chemistry ... - AQA

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      A-level CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2021 Version: 1.0 Final *216A74051/MS* MARK SCHEME – A-LEVEL CHEMISTRY – 7405/1 – JUNE 2021 2 Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant


    • [PDF File]Mark Scheme (Results) January 2016 - Edexcel

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      Question number Answer Notes Marks (b) (i) 25 (cm3) accept anomalous point based on graph drawn 1 (ii) M1 the volumes (of gas) are the same M2 therefore the reaction has finished / all of the solid/MgCO3 has reacted / the solid/MgCO3 has been used up accept ‘no more gas is being produced/collected (after 35 cm3)’ reject ‘all of the reactants have reacted’


    • [PDF File]Mark Scheme (Results) Summer 2016 - Edexcel

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      Summer 2016 Pearson Edexcel GCE in Chemistry (6CH01) Paper 01 The Core Principles of Chemistry. Edexcel and BTEC Qualifications ... higher energy level (3p rather than 3s) ALLOW Electron removed in Al is (more) shielded (by 3s) IGNORE Outer electron is further from nucleus Full sub-shell is more stable than ...


    • [PDF File]ZIMBABWE SCHOOL EXAMINATIONS COUNCIL (ZIMSEC)

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      1.2 recognise the usefulness and limitations, of scientific method and to appreciate its applicability in other disciplines and in everyday life; 1.3 be suitably prepared for employment and/or further studies beyond A Level. 2 develop abilities and skills that 2.1 are relevant to the study and practice of science;


    • [PDF File]AS Chemistry Mark scheme Paper 1 June 2016

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      MARK SCHEME – AS CHEMISTRY – 7404/1 – JUNE 2016 9 of 17 Question Marking Guidance Mark Comments 03.4 Indicative Chemistry contentThis question is marked using levels of response. Level 3 - Must use volumetric flask to access level 3 Answer is communicated coherently and shows a logical progression from stage 1 to stage 2 then stage 3.


    • [PDF File]Paper 1 Inorganic and physical chemistry - June 2016 - AQA

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      progression from stage 1 to stage 2 then stage 3. 6 marks - All stages are covered and the description of each stage is complete . 5 marks – all stages are covered but up to 2 omissions/errors from different stages. If 2 omissions/errors from same stage only level 2 possible . Level 2 . Answer is mainly coherent and shows progression from ...


    • [PDF File]A-level Chemistry Mark scheme Paper 1 June 2017

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      expanded on the basis of students’ reactions to a particular paper. Assumptions about future mark schemes on the basis of one year’s document should be avoided; whilst the guiding principles of ... A-LEVEL CHEMISTRY – 7405/1 – JUNE 2017 8 of 35 Structures must not be ambiguous, e.g. 1-bromopropane should be shown as CH 3 CH 2 CH 2


    • [PDF File]Mark Scheme (Results) Summer 2016 - Edexcel

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      Chemistry (4CH0) Paper 1C Science Double Award (4SC0) Paper 1C Pearson Edexcel Level 1/Level 2 Certificate Biology (KCH0) Paper 1C Science (Double Award) (KSC0) Paper 1C . Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding ... Summer 2016 Publications Code 4CH0_1C_1606_MS


    • [PDF File]Mark Scheme (Results) Summer 2016 - Edexcel

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      calculation of RAM (1) evaluation of correct answer to 2/3/4 s.f. (1) or calculation of the mass of lithium-7 and the numerator of the RAM expression (1) dividing by 5 and calculating the RAM (1) evaluation of correct answer to 2/3/4 s.f. (1)


    • [PDF File]Mark Scheme for June 2016 - Exam QA

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      0.00404 –= 40.1 (g mol 1) Group 2 metal: calcium/Ca 1 1 1 AO2.8 AO2.8 AO3.2 DO NOT ALLOW pV = nRT for the calculation of the amount in moles for marking point 1. ALLOW 3 SF up to calculator value correctly rounded (0.004041666) ALLOW 3 SF up to calculator value correctly rounded (40.08247423)


    • [PDF File]AS Chemistry Mark scheme Paper 1 June 2016

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      Level 1 . Answer includes isolated statements but these are not presented in a logical order or show confused reasoning. 2 marks – 2 stages attempted . 1 mark – 1 stage attempted . Level 0 . 0 marks . Insufficient correct chemistry to gain a mark. 6 ; Indicative Chemistry content . Stage 1: transfers known mass of solid


    • Zimsec Past Exam Papers O Level Mathematics - Internet Chess Club

      MayJune 2013 Follow O Level Past Papersjanuary 2015 accounting a level marking scheme paper 1 PDF zimsec chemistry past exam papers and marking scheme PDF ... Zimsec Maths Greenbook O Level 2011-2016.pdf Nov 11, 2021 · I went to take the bar exam for the third time and found a prayer for St. Joseph of Cupertino in the bathroom stall I happened ...


    • [PDF File]A-level Chemistry Mark scheme Unit 01 - Foundation Chemistry June 2016

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      MARK SCHEME – A-LEVEL CHEMISTRY – CHEM1 – JUNE 2016 12 Question Marking Guidance Mark Comments 6(a) Correct conversion of temperature and pressure (773 and 101 x 103) No moles P = (220 / 4 x 31.0) = 1.77 Max 2 (=0.45 V = nRT/P (correct rearrangement or insert of values V = 1.77 x 8.31 x 773 / 101 x 103 3= 0.1128 m ) V = 0.113 3(m ) 1 1


    • [PDF File]ZIMBABWE SCHOOL EXAMINATIONS COUNCIL (ZIMSEC)

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      will be available in the examination in Paper 1 and Paper 2). 3.1. Bonding: the structure of matter Candidates should be able to:- (a) describe the differences between elements, compounds and mixtures and between metals and non-metals; (b) describe alloys, such as brass, as mixture of a metal with other elements 3.2. (a) Ions and ionic bonds


    • [PDF File]AS Chemistry Question paper Paper 1 June 2016 - Past Papers

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      0 9 . 1 A student was given a powder made from a mixture of anhydrous barium chloride and anhydrous magnesium chloride. The student dissolved 1.056 g of the powder in water in a conical flask and added an excess of sulfuric acid. A white precipitate formed and was filtered off, washed and dried.


    • [PDF File]AS Chemistry Mark scheme Paper 1 June 2016 - Past Papers

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      progression from stage 1 to stage 2 then stage 3. 6 marks - All stages are covered and the description of each stage is complete . 5 marks – all stages are covered but up to 2 omissions/errors from different stages. If 2 omissions/errors from same stage only level 2 possible . Level 2 . Answer is mainly coherent and shows progression from ...


    • [PDF File]AS Chemistry Mark scheme Paper 2 June 2016 - Exam QA

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      AS-LEVEL Chemistry . 7404/2 Organic and Physical Chemistry . Mark scheme . 7404 . June 2016 . Version: 1.0 Final . PMT. PMT AS and A-level Chemistry. Mark scheme instructions for examiners. 1. General The mark scheme for each question shows: the marks available for each part of the question


    • [PDF File]Mark Scheme (Results) Summer 2016 - Edexcel

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      3:2:1:1 (in any order) (1) 3-aminopropanoic acid has peak ratio 2:2:2:1 (in any order) (1) If no other mark is awarded, allow for 1 mark: 1 stated difference between the peak ratios e.g. only 2-aminopropanoic acid has a peak with area / height 3 IGNORE


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