9.2.5 Chemistry past paper questions 2001 Question 16 (3 marks) Radioisotopes are used in industry‚ medicine and chemical analysis. For ONE of these fields‚ relate the use of a named radioisotope to its properties. Medicine – Iodine Ingested iodine concentrates in the thyroid gland and so iodine 131 can treat thyroid disorders (e.g. tumours) Iodine 131 has a half life of just over 8 days‚ emits beta particles and gamma rays as it decays. This half life is long enough for it to be transported form
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1.Does C# support multiple-inheritance? No. But you can use Interfaces. 2.Where is a protected class-level variable available? It is available to any sub-class derived from base class 3.Are private class-level variables inherited? Yes‚ but they are not accessible. 4.Describe the accessibility modifier “protected internal”. It is available to classes that are within the same assembly and derived from the specified base class. 6.Which class is at the top of .NET class hierarchy
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UNIVERSITY OF NAIROBI SCHOOL OF BUSINESS BCOM DPS 202: FUNDAMENTAL OF SUPPLY CHAIN MANAGEMENT Practice questions on facility location/warehousing KitchenWare (case study) KitchenWare is a retailer of electrical kitchen items. The senior management team has decided to centralise and integrate the company’s warehouse operation into a national distribution centre warehouse (NDCW) to supply all of its retail operations across the country. Previously‚ each retailer had its own warehouse function
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is described as ‘gloomy’‚ which gives the reader an idea of how the three women must be feeling. Nan Dear and Dolly are showing their feelings whereas Gladys is trying to lighten the mood and look at the bright side to cheer all three of them up. 2. Scene 1 (A): The Queen’s Visit a) Discuss the contrast in this scene between Gladys’ fixation on going to town to see the Queen and Nan’s revelations about her history. What do we find out about Nan’s history? Why do you think her family was forced
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two (2) hours long. In the actual examination you would not be allowed to consult your books or notes; however‚ you would be able to use a calculator. We strongly recommend that you sit this examination as if you were writing it in an invigilated setting. You will get a much better idea of your degree of preparedness for the actual examination. Part A: Short–answer Questions (1 mark each) 1. Calculate the density of bromine‚ given that 120.0 mL has a weight of 374.3 g. Report your answer to the
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arms concurs with the low cost strategy of BYD. Question 3 NO‚ because other nascent Chinese battery companies use only low cost strategy and they have no R&D department‚ the market is fragmented between them and there is no dominant company. Using both low cost and high quality (because of R&D department‚ vertical integration and using of manpower instead of robotic arms) allows BYD to be reliable and to dominate the market in China. Question 4 Yes‚ because Wang has both a short term and a
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This archive file of SCI 207 Week 2 Answer to Lab Question 2 shows the solutions to the following problems: In the lab questions below‚ report your answers in the format of a scientific report: introduction‚ methods‚ results‚ discussion‚ conclusions and management recommendations. Introduction 1. What is the question that this study aimed to answer? State the hypothesis that you tested. 2. Briefly describe the methods of data collection and analysis you used to test your hypothesis
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Chapter 2 Chemistry Comes Alive MATCHING QUESTIONS [pic] Figure 2.1 Using Figure 2.1‚ match the following: 1) Lipid. Answer: D Diff: 2 Page Ref: 46-47; Fig. 2.15 2) Functional protein. Answer: B Diff: 2 Page Ref: 50; Fig. 2.19a 3) Nucleotide. Answer: E Diff: 2 Page Ref: 55; Fig. 2.22a 4) Polysaccharide. Answer: C Diff: 2 Page Ref: 45; Fig. 2.14a 5) Monosaccharide. Answer: A
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ORGANIC CHEMISTRY Carbon atoms: * Carbon-carbon bonds are not easily broken * Each carbon atom forms 4 covalent bonds * The C-H bond is almost non-polar Classifying organic compounds: * Number of carbon atoms in longest chain: meth‚ eth‚ prop‚ but‚ pent‚ hex‚ hept‚ oct‚ non‚ dec * If it is a branch: -yl; di‚ tri or tetra means there is more than one branch‚ ethyl means there are 2 carbons coming off the branch * If it is a ring of carbons put cyclo at the front of the
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ANSWER (PART A) QUESTION 2 a) Labor force is defined as people from the total population between the age of 16 & 64 who are not in institutions and who are either employed or unemployed but seeking work. Those who are not in labor force are either in institutions or are voluntarily unemployed. Unemployment is made up of people who are currently not working but are looking for a job. b) Structural unemployment The portion of unemployment that is due to changes in the structure of the economy that
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