Chemistry helps us make sense of the world around us and connects to the main social, ethical and cultural issues affecting our lives today. Everyday low prices and free delivery on eligible orders. A base that can dissolve in water is also called an alkali. Alevel chemistry is a great choice for students considering careers in health and clinical professions. Some are common sense but make sure to test yourself afterward as at least 10 marks in every test will go to definitions.
Gcse chemistry revision and worksheets on acids and alkalis can be accessed via this dedicated page. A reaction where a substance gains oxygen or loses hydrogen. What is the definition of a base in chemistry a plus topper. Gcse chemistry textbooks print and digital many educational books and digital resources are published each year to support qualifications. Amphiprotic substance a substance that can act either as a pppproton acceptor or a proton donor.
An alkali is any substance that produces oh ions in water. Analytical chemists try to gain information and knowledge about the properties, composition, and structure. In this first quiz on gcse chemistry we take a look at one vital part of the subject acids, alkalis, bases and salts. Chemistry notes acid, bases and salts chemistry revision. The whole things designed to make revision straightforward everything you need to know is explained simply and thoroughly, helped by fullcolour diagrams. In this section we will be talking about the basics of acids and bases and how acidbase chemistry is related to chemical equilibrium. Neutralisation is the reaction between an acid and a base. A gcserevision, chemistry, chemistrywordsanddefinitions. Compare this with the definition of an alkali or base. This course provides you with the opportunity to explore gcse chemistry. Chemistry vocabulary definitions of chemistry terms. Compare this with the definition of an definition of an acid. The word acid comes from a latin word acere which means sour. The book is now out of print, but if you are interested, you may be able to obtain a secondhand copy from.
Bases bases are substances that are soapy to touch and bitter in taste. It cultivates knowledge and understanding of the material world, the nature of science and the scientific process. This covers all the topics and modules for all specifications including 0620. Game to help students develop their use of investigative terminology. Gcse chemistry revision guide with online edition richard parsons on. Gcse science chemistry 91 three reactions of acids. The reaction between an acid and a base to produce a salt and water only.
Cie igcse notes a chemistry a chemistry gcse, igcse. This living library is a principal hub of the libretexts project, which is a multiinstitutional collaborative venture to develop the next generation of openaccess texts to improve postsecondary education at all levels of higher learning. The branch of chemistry that deals with carbon compounds. Remember, dont rely on remembering them in the order they appear below as this will not be like an exam. Acids in the laboratory acids and bases ks3 chemistry.
Base pairs, arrhenius, bronsted lowry and lewis definition chemistry this chemistry video tutorial explains the concept of acids and bases using the arrhenius definition, bronsted lowry and lewis. To help you find the right resource for your students, we work with publishers to ensure that their textbooks align with. An alkali is a base which dissolves in water, and produces ohions hydroxide ions. The hydroxide ions from an alkali combine with protons to form water. Because acids act as a source of protons, we call them proton donors. A bridging booklet from gcse chemistry into a level chemistry, key topics covered with examples of work, diagrams and then questions. Acids react with metals, bases and carbonates to produce salts. If you are simply interested in a generalpurpose introduction to chemistry for 14 16 yearolds, you might be. This means that metal oxides and metal hydroxides are bases. Chemistry 2e is designed to meet the scope and sequence requirements of the twosemester general chemistry course. Student with that word reads definition on right of the same card. It cultivates knowledge and understanding of the material world, the. A substance that will neutralise an acid, but does not dissolve in water, is called a base. May 21, 2015 a bridging booklet from gcse chemistry into a level chemistry, key topics covered with examples of work, diagrams and then questions.
Alevel chemistry is a rigorous, challenging and extremely rewarding course. Each topic in the textbook covers the essential knowledge and skills. Gcse chemistry revision worksheets acid and alkalis. Getting the best from the book welcome to edexcel international gcse chemistry. Gcse science chemistry 91 strong and weak acids youtube. If you are simply interested in a generalpurpose introduction to chemistry for 14 16 yearolds, you might be better looking at my edexcel igcse chemistry book. Acid rain all rainfall is slightly acidic because of the dissolved carbon dioxide. Acids and bases are popular chemicals which interact with each other resulting in the formation of salt and water.
All the glossary key terms from the aqa chemistry text book. Examples of everyday acids, alkalis, salts, ph of solution, hazard warning signs. Titration is the slow addition of one solution of a known concentration called a titrant to a known volume of another solution of unknown concentration until the reaction reaches neutralization, which is often indicated by a. Assume we have the alkali in the flask and add acid to it. Edexcel international gcse 91 chemistry student book. A description of the authors book on calculations at uk a level chemistry standard. Suggestions for textbooks and revision guides covering the uk as and a level chemistry syllabuses, with links to. Sodium hydroxide naoh and calcium hydroxide caoh 2 are examples of bases used in the laboratory. Amphoteric compounds chem 0012 lecture notes 17 acids, bases and salts hebden unit 4 page 109. Neutralisation aqa gcse chemistry single science revision.
Designed by expert teachers for the edexcel gcse 91 chemistry syllabus. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. Relationships among pressure, temperature, volume, and amount. Gcse science chemistry 91 three reactions of acids youtube. Any indicator that changes colour between these ph values will do as an indicator for this reaction. The book also includes a number of innovative features, including interactive exercises and real. The ph scale and neutralisation know how to use the ph scale, from 0 to 14, to measure of the acidity or alkalinity of a solution. This book is full of clear notes and examstyle practice questions covering every as chemistry topic for the edexcel exam board. We will cover acid and base definitions, ph, acidbase equilibria, acidbase properties of salts, and the ph of salt solutions. Analytical chemistry is a field that is just what it sounds like. In this video, we start looking at acids, bases and.
Bridging booklet for gcse into a level chemistry teaching. Gcse chemistry definitions when learning definitions i find it easier to move around and say them to yourself. Chemistry is a rigorous, challenging and ultimately rewarding course that develops students scientific skills and knowledge. This flexible course encourages creative thinking and problemsolving skills which are transferable to any future career path. Glossary for igcse chemistry oxnotes gcse revision. Acids, alkalis and salts aqa gcse combined science revision.
The aqa definition for transition metals which is iupac as far as i interpret it does include sc as in its. Gcse science chemistry 91 acids and alkalis youtube. The course encourages creative thinking and problemsolving skills which are transferable to any future career path. In chemistry, bases are substances that, in aqueous solution, release hydroxide oh. See examples of alkalis and properties and uses of alkalis. Ccea qualifications in chemistry are available at gcse and gce. Titration is the slow addition of one solution of a known concentration called a titrant to a known volume of another solution of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change. Gcse how science works definitions card game teaching. Acids, bases and alkalis are found in the laboratory and at home. Bases and alkalis acids and bases ks3 chemistry revision. Now also available improved and updated version for new aqa gcse science specifications distribute cards randomly around class. Student book with online edition cgp gcse chemistry 91 revision by cgp books isbn. Atkins physical chemistry 10th edition answers show 10 more recommend some good chemistry and physics books. An acid is any hydrogencontaining substance that is capable of donating a proton hydrogen ion to another substance.
Igcse chemistry revision notes made for the cie exam boards. Abrasion rocks bang into each other and become smaller and more rounded. Predicting the geometry of molecules and polyatomic ions. The definition of a strong acid is one that fully dissociates in water, so as k a increases the strength of the acid increases, and the strength of the conjugate base decreases. A base is a substance that can react with acids and neutralise them. In this video, we look in detail at the reactions of acids with bases, alkalis and metal. Apr 26, 2017 to help you get even better grades ive written a lot of e books, packed full of loads of excellent questions to help you study.
An example of a common base is sodium hydroxide, naoh. Chemistry what is the difference between base and alkali. Indicators have sharp colour changes meaning they change colour. Instant access to hundreds of a level chemistry teaching resources 312 chem factsheets, powerpoints, questions by topic for aqa, edexcel, ocr and wjec chemistry as and a levels. In this section we will be talking about the basics of acids and bases and how acid base chemistry is related to chemical equilibrium. To start with, the ph is high around 14 and stays there until just before the endpoint when it falls steeply to around ph 1. A level chemistry resources aqa, ocr, edexcel and wjec. Alkalisalkalis definition alkalis are soluble bases their solutions. During the first year of high school chemistry or the first semester of college chemistry, all the terms, units of measurement, and atoms, molecules, elements, and compounds may seem a bit overwhelming. These revision notes on acidbase theory and the strength of acids and bases should. To help you get even better grades ive written a lot of e books, packed full of loads of excellent questions to help you study. In it we find out the difference between alkalis and bases, how acids and alkalis react with one another, how neutralisation can produce salts and the relevance of ph values. Aug 17, 2018 what is the definition of a base in chemistry.
446 1322 1518 1309 716 1571 404 1501 600 1247 475 603 584 904 844 491 364 1036 343 1331 939 86 1548 464 1571 42 1072 1556 143 509 975 1244 1268 468 78 1377 132 559 891 342 846 944 1155