IGCSE Complete Chemistry Notes Unit 1: States of matter Everything is made of particles. Particles in solid are not free to move around. Liquids and gases can. As particles move they collide with each other and bounce off in all directions. This is called random motion. In 2 substances‚ when mixed‚ particles bounce off in all directions when they collide. This mixing process is called diffusion. It’s also the movement of particles without a force. The smallest particle
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Surname Centre No. Candidate No. Paper Reference(s) Initial(s) Paper Reference Signature 7 0 4 0 7040/02 0 2 Examiner’s use only London Examinations GCE Biology Ordinary Level Paper 2 Friday 18 January 2008 – Afternoon Time: 2 hours Team Leader’s use only Question Leave Number Blank 1 2 3 4 5 Materials required for examination Nil Items included with question papers Nil 6 7 8 Instructions to Candidates In the boxes above‚ write your centre number‚ candidate
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International GCSE Edexcel International GCSE in English Literature (4ET0) Teacher’s guide Issue 2 First examination 2012 Pearson Education Ltd is one of the UK’s largest awarding organisations‚ offering academic and vocational qualifications and testing to schools‚ colleges‚ employers and other places of learning‚ both in the UK and internationally. Qualifications offered include GCSE‚ AS and A Level‚ NVQ and our BTEC suite of vocational qualifications‚ ranging from Entry Level
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IGCSE Chemistry 2012 exam revision notes by Samuel Lees Contents: 1. The particulate nature of matter 2. Experimental techniques 2.1 Measurement 2.2 (a) Criteria of purity 2.2 (b) Methods of purification 3. Atoms‚ elements and compounds 4.1 Atomic structure and the Periodic Table 4.2 Bonding the structure of matter 3.2 (a) Ions and ionic bonds 3.2 (b) Molecules and covalent bonds 3.2 (c) Macromolecules 3.2 (d) Metallic bonding 3 Stoichiometry 4
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modern electronic paper technology‚ the Gyricon. The Gyricon has many of the same properties as paper; it is flexible‚ contains an image‚ but it can also by erased and rewritten thousands of times. In the nineties‚ as the personal computer became more popular more paper was being consumed. This was caused by the difficulty in reading lengthy documents on the computers’ screens. It was easier to print the document‚ read it‚ and then discard it. This introduced the need for a paper like display that
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IGCSE ECONOMICS NOTES The economic problem (Ch. 1) - All materials on the earth (resources) are scarce (scarcity). - Resources are used to make goods and services. - Some resources like air are free. - All people have basic needs to survive i.e. food‚ air‚ water and shelter. - People want more than they need . - Wants are unlimited. - The economic problem is how to decide the allocation of scarce resources to meet unlimited wants. - Scarce resources have many alternative uses. - The cost
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accessibility and the revised syllabus gives a smoother transition from Cambridge IGCSE/O Level to Cambridge International AS/A Level. Please find a summary of the changes below. Cambridge International AS Level Candidates study two units. Unit 1 – The family Unit 2 – Theory and methods The AS Level will be assessed through two written papers‚ Paper 1 and Paper 2. These papers test units 1 and 2. In each of Paper 1 and Paper 2‚ candidates answer one compulsory data-response question and one essay question
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Edexcel IGCSE Maths 2 Answers to activities and exercises Unit 1 NUMBER 11 ACTIVITY 1 Time (h) Speed (km/h) 1 160 2 80 4 40 6 26.7 7 22.9 8 20 EXERCISE 1 1 a 4 days 2 3 4 5 6 7 8 a a a a a a a 28 days 8 men 12 people 60 years 40 000 men 12 hours 32 km/litre b 2 days b b b b b b b 6 days 16 men 8 people 15 years 20 000 men 72 km/h 20 litres c 2 c c c c c 2 days 3 4.8 days 32 men 6 people 1200 years 400 men EXERCISE 1* 1 a Number of light bulbs (N) 6 5 2 30 b 3000 = NP 2 a Number of
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International General Certificate of Secondary Education *4308315385* CHEMISTRY Paper 2 Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name in the spaces at the top of this page. Write in dark blue or black pen. You may need to use a pencil for any diagrams‚ graphs or rough working. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer
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Target Cost Exercise in Paper Plant Shank & Fisher (1999) gave an example of application of target costing in the case of Montclair Paper Mill abd showed how the target costing principle could be applied even at a later stage of the product life cycle. The situation of Montclair Mill was gloomy. The mill was making $700 loss per every ton of paper sold. The management believed that the standard cost of $2900 per ton was thought to be based on a solid analysis and was taken for granted. The
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