States of matter and mixtures multiple choice questions. What is fractional distillation fractional distillation is a separation technique that is used for liquids that dissolve in each other. Exam questions organised by topic, past papers and mark schemes for the new edexcel gcse 91 chemistry. The introductory years often starting as early as year 9 are all about building comprehension and confidence in each topic, progressing up to exam technique, revision and practice in year 11. A clear outline of the content covered by the delivery guide thinking. This is done by a process called fractional distillation. It breaks the revision for biology, chemistry and physics down into weekly areas to revise, cross linked to the relevant revision guide pages and revision workbook pages.
The most volatile substance the substance with the lowest boiling point is vaporized first, and hence removed from the mixture first. Fractional distillation, example 6 mark answer youtube. January 2019 revision booklet this booklet contains facts that you need to learn. The process of distillation exploits the difference in. This document contains the required practical activities for the gcse chemistry qualification. In this laboratory exercise, we will distill a ferment to boost its alcohol content.
The very longest alkanes have the strongest intermolecular forces and so dont boil, but exit the column at the bottom. Generally, the smaller a molecule, the lower its boiling point. Fractional distillation works by using the fact that molecules of different sizes have different boiling points. Illustrated glossary of organic chemistry distillation. Examples of uses of distillation include purification of alcohol, desalination, crude oil refining, and making liquefied gases from air. Jul 03, 2012 gcse chemistry worksheet fractional distillation with best price and finish evaluation from a variety item for all item. In this video, we look at how simple distillation can be used to separate a liquid from a solid if we want to keep. Distillation is a process of separating the component substances. New gcse chemistry 2016 history of periodic table, full lesson. Gcse chemistry specification first teaching september 2017 additional practical opportunities for unit 3 practical theory booklet b elaine lennox education manager. Chemistry aqa gcse 91 chemistry student book helps to develop the. Distillation chemistry tarsia use as lesson starter, plenary or revision. It is part of a suite of gcse qualifications offered by edexcel. Chromatography different substances from a solution.
Giant covalent compounds macromolecules ionic compounds. The best way to remember the information in this chapter is to get a pen and paper and write down your answers. Distillation definition, detailed process, types, uses. P43530a0536 5 turn over c the term sublimation is also used for a change of state.
Explore distillation, the chemists most useful method for separating substances dissolved in liquids. Assessment objective ao1 demonstrate knowledge and understanding of scientific ideas and scientific techniques and procedures. Distillation chem 121l general chemistry laboratory. Fractional distillation gcse chemistry the student room. The silver cylinder is the still pot which is heated by a wood fire, the copper tube is the condenser, and the green barrel is the still pot. Practical guide ocr this guide includes details about the pags for alevel chemistry. We cover the cycle of vaporization, cooling, and condensation that is the basis for the process. Required practicals aqa chemistry gcse 91 flashcards. Learn about and revise mixtures with this bbc bitesize gcse chemistry aqa study guide.
The breakdown of assessment objectives for gcse 91 in chemistry. Distillation is the process of separating components of a mixture based on different boiling points. Nov 23, 2015 in this gcse organic chemistry revision video, hazel discusses fractional distillation and provides a background into crude oil. Required practicals aqa chemistry gcse 91 flashcards quizlet. Fractional distillation is a separation technique that is used for liquids that dissolve in each other. Written by expert teachers at save my exams for the aqa 91. Distillation refers to the selective boiling and subsequent condensation of a component in a liquid mixture. Crude oil, hydrocarbons and alkanes fractional distillation and.
In examinations, answers frequently require more than 1 key word for the mark, so aim to include a few key words. Cc2d lesson from the new edexcel science gcse looking at distillation. The required practical activities listed in the gcse chemistry specification 8462 have. I was predicted 5s and came out as the most improved student in my school year. The fractions are separated by boiling point through a process called fractional distillation. Lesson includes, what distillation is, equipment for distillation, what fractional distillation is, the equipment needed for it and when it is used commercially. Gcse science chemistry 91 simple distillation youtube. Gcse chemistry student booklet ks4 earth and atmosphere contents. Separation and purification there are different ways to separate mixtures, for example by filtration, crystallisation, distillation or chromatography. Separations revision gcse chemistry teaching resources. Distillation definition distillation is the technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid.
Level 2 5 questions, 5 sentences, 5 words 10 credits each iii. We know first hand how overwhelming 91 gcses can be, so were here to help clear the waters. This video is for the new gcse specifications levels 19 for all exam boards. My gcse science premium video tutorials, examstyle. Fractional distillation organic chemistry gcse chemistry. In the distillation experiment students will need to be cautioned to remove the. The booklet below was issued to students at the start of january. The idea is students do a little, often every week so they complete the bulk of the revision in plenty of time. The process of distillation involves the evaporation and condensation of a liquid. To learn how to characterize a substance using its density.
Distillation separation and purification edexcel gcse chemistry single. Jul 11, 2016 cc2d lesson from the new edexcel science gcse looking at distillation. Home business books chemistry categories select a category. Distillation of legal liquor is conducted in a distillery. With an edplace account, youll have access to maths foundation and higher content, english literature, english language and single and combined science all in one place. Humans have been using distillation since at least 3000 bc in the indus valley. Ocr twenty first century science gcse 91 chemistry b delivery.
A2 chemistry data booklet how do you do anti log on the calculator. Use this revision guide to remember all the key study points in the gcse syllabus and get full marks in your gcse chemistry exam. In chemistry, distillation refers to a particular method of purifying liquids. I got an 8 in both physics and biology and a 7 in chemistry. Hot crude oil over 300 o c is pumped in at the bottom.
You need to know most of this booklet for your gcse science. Distillation aparatus distillation, gcse chemistry, distillation process. We explain distillation and how it separates a liquid from other liquids by boiling and condensing the steam. The timetable for the mocks revision lists for each subject useful websiteresources. Jan 29, 2020 distillation is the process of separating components of a mixture based on different boiling points. During fractional distillation the compounds condense at different temperatures. I got a 99 in my combined science results today and all the credit goes to your videos. Booklet worksheets with revision notes and exam questions on separations inc. Distillation is a process of separating the component substances stock vector illustration of building. A still for making moonshine illegal hard liquor uses simple distillation. Aqa course content things you need to revise for the mock exam. It also contains information about other experiments that often occur in alevel examinations. Distillation is a physical process used to separate a solvent from a solute based upon differences in boiling point.
The best way to remember the information in this chapter is to get a pen and paper and write down your answers before clicking on the answer link which will take you to the correct page you may have to read through some of the page before you find the answer. Sep 26, 2016 this video is for the new gcse specifications levels 19 for all exam boards. Pixl independence level 2 5 questions, 5 sentences, 5 words gcse chemistry earth and atmosphere instructions for each statement, use either the suggested website or your own text book to write a 5point summary. To learn about the separation technique of distillation. In this gcse organic chemistry revision video, hazel discusses fractional distillation and provides a background into crude oil. Gcse aqa c1 fractional distillation related articles. A liquid can be separated from a mixture of liquids in a solution by fractional distillation. The diagram shows some apparatus that can be used to separate oil from lavender plants. Fossil fuels lessons gcse outstanding lessons that provide support and challenge, recap prior. This is really useful for society as substances such as crude oil can pass through a fractionating column, where products of different boiling points can be produced kerosene, propane etc can be collected. Take a look at this category of free ebooks and find all the answers to your questions immediately. Sublimation is the change of state from 1 a solid to liquid b liquid to gas c gas to liquid d solid to gas d heat energy is released when steam changes to water. Distillation mixtures aqa gcse chemistry single science.
There is also a second lesson included on the cc2d core practical investigating inks. Multiple choice questions appear throughout both exam papers, and at both foundation tier and higher tier. January 2019 revision booklet the brooksbank school. Crude oil has been described as a complex mixture of hydrocarbons. Organic chemistry ks4gcse chemistry teaching resources. In the fractional distillation of crude oil, where is the hottest part of the fractionating column. Before covering this, the simple process of distillation will be explained first.
A filter paper is placed in a funnel, the funnel placed on a flask. Fractional distillation depends on the different boiling points of the hydrocarbons. A process for separating components of a mixture, in which the components are evaporated and the vapors condensed. Chemistry specification first teaching september 2017 additional practical opportunities for unit 7 practical theory booklet b elaine lennox education manager. Aqa gcse chemistry student book sample chapter by collins issuu. A liquid can be separated from a mixture of liquids in a solution by fractional distillation the solution is heated until it boils. Aqa exam questions, works for other exam boards too. Fractional distillation is used to separate the compounds in crude oil. So fractional distillation is used for separating a mixture which contains chemicals of different boiling points. Therefore, it needs to be separated into its different products called fractions. Edexcel gcse chemistry past papers chemistry revision. Basic distillation is a process which uses heating, evaporation, cooling and condensation to separate a mixture of liquids into the pure liquids which make up that mixture. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
You may be asked to describe these experiments in details or be asked about reasons for doing individual steps. Writing to argue writing to describe writers use of language writers use of structure how to evaluate writers methods comparison of writers viewpoints tasks. In this guide we suggest methods for carrying out the required practical. Fractional distillation title the many hydrocarbons in crude oil may be separated into fractions, each of which contains molecules of a similar size, by evaporating the oil and allowing it to condense at a number of different temperatures. Chemistry and double award science specification section practical guidance all aspects of planning.
Gcse chemistry revision questions fossil fuels crude. May 16, 2017 the booklet below was issued to students at the start of january. Liquids that dissolve in each other are called miscible. These videos are designed to help you with your gcse science revision. Gcse chemistry required practical activities practicals. Students need to undertake the required practical activities listed in the gcse chemistry specification 8462 so that they have the opportunity to experience all of the apparatus and. If the answer you have written is not right, change it. By undertaking the required practical activities, students will have the opportunity to experience all of the required apparatus and techniques needed for the qualifications. When heating up a mixture of molecules, the lowest boiling compound will boil off first. Distillation is a process of separating the component substances stock vector illustration of building, chart. It is a separation technique that can be used to either increase the concentration of a particular component in the mixture or to obtain almost pure components from the mixture.
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