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This document is a chemistry question paper that tests students' knowledge of naming organic compounds. It contains 7 multiple choice questions about identifying the names of compounds based on their structures, identifying functional groups, and understanding properties related to double bonds and energy released during combustion. The questions cover topics like hydrocarbon reactions, cracking of alkanes, functional groups in molecules, and suffixes that indicate double bonds.
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This document contains an excerpt from a biology exam on coordination and response. It includes several multiple choice and short answer questions testing understanding of topics like the nervous system, reflexes, plant tropisms, homeostasis, and glucose regulation. Diagrams are provided of biological systems like the mammalian nervous system, a reflex arc, seedling growth responses, human skin response to cold, the liver and associated blood vessels, and control of blood glucose concentration. Students are asked to label parts, describe processes, explain concepts, and perform basic calculations.
14.2 coordination and-response-_igcse-cie-biology_-ext-theory-qp
This document contains a biology exam paper on coordination and response. It includes multiple choice and short answer questions testing understanding of topics like sensitivity, voluntary vs involuntary actions, reflex arcs, hormones, and how the nervous and endocrine systems coordinate organs and responses in the body. The exam is for IGCSE level and contains 58 minutes worth of content divided into 4 sections with a total possible score of 48 marks.
Sound 1 qp
The students use a starting pistol, stopwatch, and measuring tape to measure the speed of sound. One student fires the starting pistol while the other times how long it takes the sound to travel a known distance measured with the tape. They calculate the speed of sound by dividing the distance traveled by the time taken.
Sound (multiple choice) qp (1)
The document contains multiple choice questions about sound waves and ultrasound. It covers topics like the range of human hearing, properties that determine the loudness and pitch of sounds, how echoes are produced, and using the speed of sound to calculate distances.
Sound (multiple choice) qp
Ultrasound cannot be heard by humans because its frequency is too high. The range of audible sound frequencies for humans is typically 20 Hz to 20 kHz. A louder or higher pitched sound will have a greater amplitude and higher frequency respectively. Sound is a longitudinal wave that requires a medium, such as air or water, to travel through and be heard.
0620 s10 ms_21 ms
This document provides the mark scheme for an International General Certificate of Secondary Education (IGCSE) chemistry exam from May/June 2010. It shows teachers how to award marks to exam answers and serves as guidance, though alternative answers may be acceptable. The mark scheme details the requirements for each question on the exam paper and provides sample answers with marks allocated. CIE will not discuss or justify the mark scheme further.
0620 s10 ms_22 ms
This document is the mark scheme for the May/June 2010 International General Certificate of Secondary Education (IGCSE) Chemistry exam. It provides guidance to teachers on how to award marks for exam questions. The mark scheme indicates the requirements to receive marks and shows the basis on which examiners were instructed to award marks. It does not discuss the examiners' meetings before marking began. CIE will not enter into discussions about the mark schemes. CIE is publishing mark schemes for most IGCSE, GCE Advanced Level, and Advanced Subsidiary Level exams from May/June 2010.
0620 s10 qp_11 mc
This document consists of 16 pages related to a chemistry exam, including:
1. 15 multiple choice questions on chemistry topics
2. 1 blank page
3. Instructions for exam takers on how to fill out the multiple choice answer sheet.
0620 s10 qp_21 mc
This document provides instructions for a chemistry exam. It consists of 16 printed pages and covers topics like gases, hydrogen compounds, cobalt chloride, seawater compounds, fertilizers, metals and extraction, petroleum, and conductivity. Students are instructed to write their identification details on the paper and answer all questions in dark blue or black pen, using a pencil for diagrams. They should not use staples or correction fluid. The exam is 1 hour and 15 minutes long.
0620 s10 qp_22 theory
This document provides instructions for a chemistry exam. It tells students to write their identification information at the top, use dark ink or pencil for diagrams, and do not use staples or correction fluid. It lists the number of marks for each question. The exam contains 15 printed pages and 1 blank page. A periodic table is provided on page 16. Students should answer all questions and fasten their work together at the end.
0620 s11 ms_13 ms
This document provides the mark scheme for the May/June 2011 International General Certificate of Secondary Education (IGCSE) Chemistry exam. It lists the correct answers for the 40 multiple choice questions on the exam paper and is intended to guide teachers in marking the exam. The document also notes that Cambridge will not enter into discussions about the mark schemes and that they are publishing mark schemes for most IGCSE and other exam papers from May/June 2011.
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Introduction to objective, scope and outcome the subject
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14.1 names of-compounds-qp-new
- 1. Save My Exams! – The Homeof Revision For more awesome GCSE and A level resources, visit us at www.savemyexams.co.uk/ 14.1 Names of Compounds Question Paper Level IGCSE Subject Chemistry(0620) ExamBoard CambridgeInternationalExaminations(CIE) Topic OrganicChemistry Sub-Topic 14.1NamesofCompounds Booklet QuestionPaper Time Allowed: 9 minutes Score: /7 Percentage: /100 Grade Boundaries: A* A B C D E U >85% 75% 60% 45% 35% 25% <25%
- 2. 1 The diagram shows the structure of a simple hydrocarbon and the products of two of its reactions. BrBr C H H C CC H H H H H H dibromoethane ethanolethane 1 32 H C H H C O H H H bromine steam Which structures are named correctly? Save My Exams! – The Homeof Revision For more awesome GCSE and A level resources, visit us at www.savemyexams.co.uk/
- 3. 2 What are the names of the compounds shown in the reaction scheme below? H C H H H H butane H H H H C C C H CH H H H H XW C C H H H H CH H C H H H OH Y C HH C H H O Z C OH + cracking oxygen steam 3 The diagram shows the structure of a compound. H C H C H H C H O H H C H Which functional groups does this molecule contain? Save My Exams! – The Homeof Revision For more awesome GCSE and A level resources, visit us at www.savemyexams.co.uk/
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