1) Demonstrate understanding of the terms atom and molecule. Atom= Smallest Unit of Matter Molecule= 2 or more atoms chemically bonded. 2) Describe paper chromatography. 3) Interpret simple chromatograms. A method used to separate a Solution‚ using a Paper and a beaker of water. The Substances in the Paper go up depending on their Mass. We can say that a Solution has the same substance as another solution because they form a line of the same height. 4) Describe methods of separation
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Exploration Research Question What is the effect of different concentrations of sucrose in a solution on the mass and surface area of a beetroot (Beta Vulgaris) piece? Background The membrane consists of a phospholipid bilayer which is semi permeable. Osmosis is the passive movement of water molecules from an area of high water potential to an area of low water potential across a semi-permeable membrane. It is easy for water molecules to pass through this membrane however solutes that are big in
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Questions 1 HKALE 1990 Biology Paper II 1 HKALE 1993 Biology Paper II 1 HKALE 1996 Biology Paper II 1 HKALE 1999 Biology Paper II 1 Suggested Solution 3 HKALE 1990 Biology Paper II 3 HKALE 1993 Biology Paper II 4 HKALE 1996 Biology Paper II 6 Questions HKALE 1990 Biology Paper II 5. (b) Discuss the importance of carbohydrates‚ lipids‚ proteins and roughage in the human diet. (8 marks) Suggested Solution… HKALE 1993 Biology Paper II 6. Based upon its properties‚ discuss
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Compare and Contrast the way three poems from the anthology and outside the anthology present the theme of death Essay Title: How is death portrayed in different forms in poems? The poems War Photographer (Carol Ann Duffy)‚ A mother in a refugee camp (Chinua Achebe) and Do not go gentle into that Good Night (Dylan Thomas) have misleading initial impressions but the deep concept that lies in all these poems is death. Death is a common concept used in poetry that relates to war‚ husband – wife relationships
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To enable a character to change so much‚ her flaws have to be evident and abundant before the metamorphosis occurs. Priestly obliges in the stage directions offering Sheila as a ‘girl’ showing her immaturity even though she is in her twenties and that she is ‘pleased with life’‚ which is rather damning as we soon realise all she has accomplished is being her father’s daughter and gotten engaged. In giving her such a start in the audience’s eyes‚ we see how trapped Sheila is‚ not only through her
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Physics Moment of a force: Moment of a force = force x perpendicular distance of the line if action if the force from fulcrum Law of moments: When a body is in equilibrium the sum of the clockwise moments about any point equals the sum of the anticlockwise moments about the same point. Centre of mass: Centre of mass is the point where whole mass of the body assumes to be concentrated. II. If the vertical line through the centre of mass is outside the base it will be a topples but if it’s passed
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GCSE Geography Nicholas Rowles Series Editor: Jayne de Courcy PerfectBound An e-book from HarperCollins Publishers 77–85 Fulham Palace Road Hammersmith‚ London W6 8JB First published 2001 © HarperCollinsPublishers Ltd‚ 2001 Nicholas Rowles asserts the moral right to be identified as the author of this work Acrobat eBook Reader edition v 1. April 2001 ISBN: 0-00-712985-8 All rights reserved. You have been granted a non-exclusive‚ nontransferable licence to access and read the text
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CHEMISTRY Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 0620/01 October/November 2008 45 Minutes *6400528663* READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer
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NOTES Introduction Wodehouse was a prolific British writer of comic prose fiction. His stories are populated by aristocrats like the ninth Earl of Emsworth‚ and take place in upper class settings. This story was originally published in US and UK magazines in 1924. The story begins with a loving description of the sunshine alighting on‚ among other things‚ the Castle‚ its ivied walls‚ its green lawns‚ wide terraces‚ noble trees and three characters: the Earl‚ his son Freddie and Beach‚ the butler
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Education ECONOMICS Paper 1 Multiple Choice May/June 2003 1 hour Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 0455/01 READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the answer sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer all questions
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