EXAMINER TIPS for IGCSE Biology 0610 How to use these tips These tips are based on some common mistakes made by students. They are collected under various subheadings to help you when you prepare for your examinations. • • • • • Make sure you read all the general tips. These can be important in any of the papers you do. Make sure you know which examination papers you are taking before you look at the tips for the different papers All of you will take paper 1‚ which is all multiple choice questions
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Sample Exam Questions Blank text. You have 45 minutes on this question. Paper 1 Either 1 Re-read Mid-term Break. Explore the ways in which Heaney makes this such a moving poem. Or 2 Explore the ways work is depicted in two of the following poems: Monologue (by Hone Tuwhare) Song to the Men of England (by Percy Bysshe Shelley) Before the Sun (by Charles Mungoshi) Or 3 Explore what you find most striking about the imagery of two of the following poems: Caged Bird (by Maya Angelou)
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CHEMISTRY OF LAETRILE ( AMYGDALIN / VITAMIN B17) AUTHORS: Audrey De Jesus Rowie Joy Pilapil Shariel Eunice Juanillas Polytechnic University of the Philippines College of Science Department of Nutrition and Dietetics Sta. Mesa‚ Manila ABSTRACT Vitamin B-17‚ commonly known as "Amygdalin”‚ is a plant substance found naturally in raw nuts and the pips of many fruits‚ particularly apricot pips‚ or kernels. It is also present in plants such as lima beans‚ clover and sorghum. Laetrile‚ on the other
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1 Class XII Chemistry Ch 5: Surface Chemistry Chapter Notes Top Concepts / Key learnings: 1. 2. 3. 4. 5. 6. Adsorption: The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed as adsorption. Adsorbate: The substance which is being adsorbed on the surface of another substance is called adsorbate. Adsorbent: The substance present in bulk‚ on the surface of which adsorption is taking place is called adsorbent. Desorption: The process of removing an
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1. Who are the stakeholders involved in this decision? The stakeholder involved in this decision is Anne Distagne‚ the CEO of Linkage Construction‚ Inc. She was the individual involved in the decision-making process. of falsifying information to not display the significant increase in profit. 2. What are the ethical issues involved? There are several ethical issues involved. The first issue is Anne’s demeanor towards the accountant Sue. Anne used her superiority with Sue as a threat so that Sue
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Chemistry is the science of dealing with the compounds‚ elements‚ and molecular structure of matter. Essentially‚ chemistry is the science of examining substances and objects to find out what they’re made of and how the react to different conditions. All projects Accelerate Rusting To demonstrate how a chemical reaction from vinegar‚ water‚ and bleach can accelerate the rusting process of steel. Acids And Bases To determine which chemicals are acids and which are bases. Apple Mummy To
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ATLANTIC COLLEGE CHEMISTRY DEPARTMENT (Written by Dr Geoffrey Neuss) CONTENTS Page Introduction 1 Assessment of Practical Work 3 Error and uncertainty 7 Significant figures 8 Title 1. Some common chemical reactions. 9 2. A traditional acid-alkali titration. 10 3. Analysis of aspirin tablets
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applying Le Chatelier’s principle Materials Required: See page 209 Heath Chemistry Laboratory Experiments Procedure: See pages 209-211 Heath Chemistry Laboratory Experiments Data and Observations: Table 1 Equilibrium Involving Thymol Blue REAGENT ADDED STRESS (ION ADDED) COLOR OBSERVATION DIRECTION OF EQUILIBRIUM SHIFT HCl (Step 3) HCl (Step 4) NaOH (Step 5) NaOH (Step 6) Table 2 Equilibrium Involving Thiocyanatoiron (III) Ion REAGENT ADDED
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What is Chemistry? Chemistry is the study of matter and energy and the interactions between them. This is also the definition for physics‚ by the way. Chemistry and physics are specializations of physical science. Chemistry tends to focus on the properties of substances and the interactions between different types of matter‚ particularly reactions that involve electrons. Physics tends to focus more on the nuclear part of the atom‚ as well as the subatomic realm. Really‚ they are two sides of the
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Elemental Analysis 1Professor‚ School of Chemical Engineering‚ Chemistry and Biotechnology‚ Mapua Institute of Technology; 2Student‚ CHM146L-B31‚ School of Chemical Engineering‚ Chemistry and Biotechnology‚ Mapua Institute of Technology [pic] ABSTRACT Elemental analysis of organic compounds determine the elements present in them but they do not give the actual structure or the functional groups present. Since all organic compounds contain hydrogen and carbon‚ most tests consist of only the
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