Chemistry paper 1 2015 2 hours makueni county kcse 2015 preparatory examination kenya certificate of secondary education chemistry paper 1 2 hours instructions to candidates a write your name and index number in the spaces provided above. The revision questions and answers for gcse chemistry paper 1, quantitative. Paper 2, another theory paper tests in depth some main topics within the syllabus. Chemistry project on determination of the contents of. Chemistry paper 1 2 hours instructions to candidates a write your name and index number in the spaces provided above. The pearson edexcel international gcse in chemistry is part of a suite of international gcse qualifications offered by pearson. Year 7 science revision guide chemistry chauncy school.
Download kcse chemistry revision notes document on this page you can read or download kcse chemistry revision notes in pdf format. Chemistry revision guide mr cartlidges science blog. Edexel igcse chemistry revision notes 3 kinetic theory the properties of solids, liquids and gases can be explained by kinetic theory. Acids and alkalis revision scool the revision website. Organic chemistry a huge variety of molecules in living organisms, are based on carbon with just a few other elements e. This is possible because carbon always forms 4 bonds valency 4, so it can be bonded to. Chemistry project on determination of the contents of cold drinks. In subjects such as the sciences, where topics are taught in progressively greater depth over the course of key stage 3 and key stage 4, gcse outcomes may. This is an update on a previously written blog post about some wider reading for. Thus an atom of li with three electrons will have two in the first shell, and one left over in the second shell. Revision for the year 7 summer examination should include all the topics covered in the previous year up to and including the last topic listed nutrition.
Ocr b chemistry alevel exams thread 2019 2019 ocr chemistry a paper 3. Subscribe here, kcse past papers, kcpe past papers, cpa exams, kcse mocks, kcpe mocks, form 1 exams, form 2 exams, form 3 exams, form 4 exams, std 1 exams, std 2 exams, std3 exams, std 4 exams, std 5 exams, std 6 exams, std 7 exams, std 8 exams, knec exams, secondary revision notes, schemes of work, diploma exams, mba revision notes. Chemistry 1 common questions question number ft ht subsection mark answer accept neutral answer do not accept 8 1 a 2 silicon difficult to classify because it has metallic and nonmetallic properties 1 response clearly indicating one or more metallic property and contrasting nonmetallic property. If you would like to download a resource then click on the relevant attachment at the bottom of the page.
Before leaving the examination room you must give your question and answer booklet to the invigilator. Download if you would like to download a resource then click on the relevant attachment at the bottom of the page. The energy released sometimes called enthalpy is calculated using the following equation. The alkanes a chemical family a homologous series is a family of molecules with similar groups of bonded atoms that have the same reactions and a trends in their physical properties.
Apply the cycle of collecting, presenting and analysing data, including. As chemistry revision notes unit 3 introduction to. Rate of change of extent of reaction is the rate of reaction. The kcse past papers in this website include the entire kcse syllabus meaning it cuts across work done from form 1 to form 4 in the 844 curriculum. Chemistry 1 common questions question number ft ht subsection mark answer accept neutral answer do not accept 8 1 a 2 silicon difficult to classify because it has metallic and nonmetallic properties 1 response clearly indicating one or more metallic. Unified chemistry unofficial mark scheme aqa gcse combined trilogy chemistry 8464 paper 1 16th may 2019 ocr alevel chemistry a h432 4th11th19th june 2019 exam discussion. As and alevel chemistry resources thread the student room. This thread is intended to be used for anyone to make requests for any resources for as and alevel chemistry and related subjects including past exam papers, mark schemes, etc. National 5 chemistry unit 1 chemical changes and structures. Bbc bitesize revision gcse chemistry single science bbc bitesize chemistry is the study of the composition, behaviour and properties of matter, and of the elements of the earth and its atmosphere. Each successive member of the series differs from the other by ch2which means that all the members of the series are related by a general formula.
National 4 chemistry unit 1 chemical changes and structures. Gcse 91 chemistry extra papers, questions and answers. Comprehensive revision notes for gcse exams for physics, chemistry, biology. The alkanes are a homologous series with general formula. Chemistry higher and ordinary level wms12 35 finglas business park, tolka valley road, finglas, dublin 11 t. Kinetic theory states that matter is made of tiny particles that move all the time. Marking schemes are available at a fee of kshs 20 per paper.
Necessary data will be found in the chemistry data booklet for national 5. Aqa gcse unit 1 chemistry worksheet worksheet on atoms and isotopes including ar calculations. This qualification is not accredited or regulated by any uk regulatory body. This revision guide is designed to help you study for the chemistry part of the igcse coordinated science course. This proton number or atomic number determines the chemical properties of an atom. Free 18 deejbee ocr 21c revision sheets chemistry c1. Kcse past papers chemistry kcse papers are available for free. This website uses cookies to ensure you get the best experience on our website. Shobhna in providing a helping hand in this project. The revision questions and answers for gcse chemistry paper 2, organic chemistry are below. Page 1 of 51 chuka university kccps allocated 2014 kcse candidates for 20152016 intake the following 2,587 have been admitted by chuka university. On this page you can read or download kcse chemistry revision notes pdf in pdf format.
All the atoms of a particular element have the same number of protons. More reactant particles moving together allow more collisions to happen and so the reaction rate is increased. There are more free past papers on this website, so take your time. Kcse past papers for 2018, download guide on how to get kcse past papers for 2018 online and. Further chemical reactions, rates and equilibrium, calculations and organic chemistry. Download pdf of knec kcse 2018 past papers and start revising for your form four national examinations. This entry was posted in uncategorized on january 8, 2019 by chemrevise. Aromatic has a functional group attached to an aryl group containing benzene. I will hopefully do some more major updates to ocr and edexcel when i get some time to study the recent papers. Physical chemistry revision notes on chemical kinetics. You can contact francis through the same number,ie 0720502479 for assistance. Basically for two compounds reacting together, higher reduction potential one will be reduced, higher oxidationlower reduction potential one will be oxidized. Chemistry optional notes pdf download upsc mains 201617, download chemistry notes pdf free for upsc mains 201617, chemistry optional handwritten notes.
Aqa gcse core science and chemistry unit 1 c1 revision. Physical chemistry revision notes on chemical kinetics for. Chemistry optional notes pdf download upsc mains 201617, download chemistry notes pdf free for upsc mains 201617,chemistry optional handwritten notes. Chemistry is a branch of science which deals with the study of the composition and properties of matter. All uncombined elements have an oxidation number of zero eg. Therefore this science revision programme additionally highlights the work covered in year 6.
Aliphatic has a functional group attached to an alkyl group. The electrons in an atom occupy the innermost available shells, i. Aqa gcse unit 1 chemistry worksheet worksheet on atoms. This specification includes the following key features. Knec kcse past papers 2017 with answers download pdf exam. Get it from the experts chemistry teacher kcse examiner gold members have more educational resources. This entry was posted in uncategorized on december 1, 2019 by chemrevise. The first shell can hold up to two electrons, the second up to eight, and the third up to eight.
Pdf file quantitative chemistrymrandpercentagebymassans. I have completed some updates to the alevel guides. Wee provide free online access of kcse chemistry notes and other resources. Acids and alkalis revision notes and tests for gcse chemistry. Name no bonding pairs no lone pairs diagram bond angle examples linear 2 0 180 co 2, cs 2, hcn, bef 2 trigonal planar 3 0 120 bf 3, alcl 3, so 3 no 3, co3 2tetrahedral 4 0 109.
General chemistry proknowledge 81910 common metric prefixes and units unit symbol conversions meter m1 m 39. Over the years, chemistry has been examined using three papers. All trademarks and s on this website are property of their respective owners. Chemistry section 1 answer grid and section 2 x7750102 page 02 section 1 20 marks the questions for section 1 are contained in the question paper x77502. In this definition, composition refers to what a substance is made of. Chemistry is the study of the composition, behaviour and properties of matter, and of the elements of the earth and its atmosphere. Edexel igcse chemistry revision notes 9 electrons are arranged in shells. Time s mass of flask and contents g decrease in mass g concentration of acid mol l1 0 30 60 90 120 150 180 210 240 270 300 360 420 480 540 600 149. All combustion reactions are exothermic because they release energy, eg heat energy is given out when methane is burned in a bunsen burner. This is where teaching and learning resources can be downloaded and added. X77502 chemistry section 1 questions wednesday, 18 may 1. Download kcse chemistry revision notes pdf document on this page you can read or download kcse chemistry revision notes pdf in pdf format.
Rate of reaction is positive for product and negative for reactant. Please mpesa the money to 0720502479 and text me your email address for delivery purposes. The magenta line has a steeper gradient and represents conditions favouring a faster. Their valuable guidance, support and supervision all through this project titled determination of the contents of cold drinks, are responsible for attaining its present form. There are not major changes but i have made some improvements after looking at the first set of gcse exams from last summer. I have uploaded revised versions of the gcse revision guides for aqa chemistry and trilogy. National 5 chemistry revision page 12 unit 2 natures chemistry b calculating the energy released when fuels burn some fuels are better than others at releasing energy during combustion reactions. Year 7 science revision guide chemistry chauncy school science department year 7 revision chemistry topics. Properties refers to how a substance behaves and how their state changes from one form to another under certain conditions.
Revision papers come with answers that is marking schemes from kenya national examination council knec. To extend your revision even further, weve created a range of extra exam papers, revision questions and answers that you can download for free to use with your gcse 9 1 chemistry product. Page 2 of 20 introduction in considering the marking scheme the following should be noted. The atomic structure is drawn with the nucleus in the center, and electrons arranged outside in circles called energy levels or shells. Gcse chemistry specification specification for first. As chemistry revision notes unit 3 introduction to organic chemistry nomenclature and isomerism 1. Alevel biology edexcel revision notes as edexcel as physics revision notes for unit 1 and 2 alevel edexcel business paper 1, 2 and 3 revision and study chat alevel edexcel music revision and study chat chemistry revision notes please. As particles move they collide with each other and bounce off in all. National 4 chemistry revision page 3 unit 2 natures chemistry b combustion when a substance burns, it reacts with oxygen. Aromatic has a functional group attached to an aryl group containing.
Aslevel revision notes as chemistry revision notes unit 3 introduction to organic chemistry nomenclature and isomerism 1. Page 2 hsn1 the following table contains results obtained using methods a and b. The revision in a nutshell series is designed to complement learning and revision that you have undertaken in class. If you dont see any interesting for you, use our search form on bottom v. Chemistry optional notes pdf download upsc mains 201617. Aqa gcse unit 1 chemistry worksheet worksheet on atoms and. Nov 26, 2015 on this page you can read or download kcse chemistry revision notes pdf in pdf format. Read these and record your answers on the answer grid on page 03 opposite. The pages are saved as pdf files and may be freely read and printed for personal. Apr 01, 2014 name no bonding pairs no lone pairs diagram bond angle examples linear 2 0 180 co 2, cs 2, hcn, bef 2 trigonal planar 3 0 120 bf 3, alcl 3, so 3 no 3, co3 2tetrahedral 4 0 109.
577 582 270 535 342 1428 419 809 1089 1259 1210 600 1509 265 609 89 628 541 573 1150 175 988 1242 841 1375 525 1049 761 1596 378 618 1256 1157 464 754 437 766 487 1496 175 1160 449 1443 1292 855 145 1135 692 662