Geopolymers the reaction of alkaline solution usually hydroxides or alkali metal silicates with solid aluminosilicates can produce a group of cementitious binders called geopolymer cement. May 19, 2008 does anyone no where i can get free cgp science gcse books from. Structure of polymers thermosoftening thermosetting. Each polymer molecule is a long chain of mainly carbon atoms polymers are made from many smaller molecules, called monomers. Written by joseph davidovits, the inventor and founder of geopolymer science, it is an introduction to the subject for the. Polymers class notes, chemistry, class 12, cbse, ncert class. This is because the polymer chains can bunch up and stick together to make them almost unbreakable. The whole things designed to make revision straightforward everything you need to know is explained simply and thoroughly, helped by fullcolour diagrams.
Support site for pearsons edexcel international gcse chemistry books. Perspex is a synthetic polymer whose structure is also amorphous. Polymers class notes, chemistry, class 12, cbse, ncert. Swiftscience new aqa gcse chemistry the earths resources.
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This fantastic cgp revision guide is perfectly matched to the higher level grade 91 aqa gcse chemistry course. These monomers the starting materials are often alkenes the process chemical reaction that turns monomers into polymers. Well, i was a 10th grader say hi below if you want to find out what im up to now. Master the concepts of polymers and classification of polymers including elastomers, thermoplastic and thermosetting polymers, straight chain and cross linked polymers and natural and synthetic polymers with the help of study material for iit jee by aski. Lecture notes polymer engineering materials science and. This is an optional endorsed component in which students can explore any aspect of chemistry through a researchbased piece of analytic work. I set up this site to help my own revision, and of course yours. This process is called polymerisation when alkenes join together to form a polymer with no other substance being produced in the reaction, the process is called addition polymerisation. This book is full of clear notes and examstyle practice questions covering every as chemistry topic for the edexcel exam board. Cgp revision guide useful revision textbooksguides available on amazon to help prepare for the gcse. Polymers are long chained molecules formed by joining together many small reactive molecules called monomers mono and mer, meaning one part polymers are macromolecules due to their very large sizes and high molecular masses. Browse cgp s bestselling secondary 91 gcse and igcse science books for combined science, biology, chemistry and physics. Edexcel gcse 9 1 combined science student text book. A monomer is the building block or in other words the repeating unit that is used to make the polymer.
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Learning about complex molecules, like polymers, can feel overwhelming, but this lesson plan on natural and synthetic polymers can help teachers illustrate these topics. And remember this the longer the polymer chain is, the more tangled up it can get. We have outstanding revision and practice for all exam boards, whichever level youre working at. Tap your way to gcse chemistry success with this amazing cgp app for android. This is a website that follows the edexcel international gcse chemistry triple award course for the 20 to 2019 examinations. Every topic is explained with clear, succinct study notes, examples and diagrams and there are practice questions at the end of every page to test you on what youve learned with answers and mark schemes included. File handouts and information from lessons in the relevant files at the end of each day. Polymers revision science gcse and alevel revision. Gcse additional science edexcel revision guide founda cgp.
Hello this video was made for my chemistry gcse, its a basic guide to polymers, hope it helps. Find materials for this course in the pages linked along the left. Like all mechanisms it is categorised according to the mode of chemical attack by the reagent plus the overall effect of the reaction. Igcse chemistry chapter 20 natural polymers flashcards. In science, the word plastic refers to a specific type of deformation.
The word polymer is derived from the latin words poly, meaning many, and mer meaning parts. Low density polyethene is a transparent polymer of moderate tensile strength and high toughness. Apr 22, 2019 go to ncert class xii chemistry book home page all ncert books to get fastest exam alerts and government job alerts in india, join our telegram channel. Geopolymer chemistry 1 geopolymer chemistry and sustainable development. May 03, 2012 hello this video was made for my chemistry gcse, its a basic guide to polymers, hope it helps. Polymers are long chained molecules formed by joining together many small reactive molecules called monomers mono and mer, meaning one part. New edexcel science gcse, cc7 topic looking at molecular compounds. Support for pearsons edexcel international gcse chemistry books. Aqa engineering subject content engineering materials. Edexcel cc7a molecular compounds teaching resources. Gcse science chemistry 91 triple amino acids duration. Grade 89 targeted exam practice workbook with answers cgp igcse 91 revision by cgp books nov 30, 2018 5. What is a polymer polymers are very large molecules sometimes called macromolecules. Simple whiteboard based talkthrough of the polymerisation of ethene.
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What can be done about the major concerns of our global economy on energy, global warming, sustainable development, userfriendly processes, and green chemistry. Here is an important contribution to the mastering of these phenomena today. Polymers are large molecules that are made up of many repeated small molecules. The new grade 91 ocr gateway gcse combined science course is a real challenge, but this superb cgp revision guide explains every topic in a clear. Start revision early allowing at least 2 weeks for each exam. You will find science, chemistry, formulas and very practical information including patents excerpts covering. They are formed when many small molecules join together. This document is highly rated by class 12 students and has been viewed 6270 times. Many small individual molecules, called monomers, are joined up to form a polymer. A wide variety of unsaturated monomers may be used, to yield polymers with. Gcse chemistry revision science section looking at plastics, polymers, polymerisation and alkenes. Im ruru hoong, a 10th grader currently taking my igcses at sji international singapore. You are advised to spend an equal amount of time on each question. Browse cgps bestselling secondary 91 gcse and igcse science books for combined science, biology, chemistry and physics.
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