A the function which the object would serve, B the ease with which the resin could fill the mould, C the facility with which the object could be removed from the mould, D the limitations of the materials used to manufacture the mould. Write your answers in boxes 9-10 on your answer sheet. IELTS Reading Test 16. Bakelite was unique because it was the first material to be both entirely 2 in origin, and thermosetting. IELTS Reading Practice 72 BAKELITE. IELTS Academic Reading Sample 72 - Bakelite The birth of modern plastics Details Last Updated: Friday, 26 May 2017 13:56 Written by IELTS Mentor Hits: 67729 BAKELITE The birth of modern plastics . C the most sophisticated crime-fighting technology. The impetus behind the development of these early plastics was generated by a number of factors - immense technological progress in the domain of chemistry, coupled with wider cultural changes, and the pragmatic need to find acceptable substitutes for dwindling supplies of 'luxury' materials such as tortoiseshell and ivory. On 13 July 1907, Baekeland took out his famous patent describing this preparation, the essential features of which are still in use today. Answer: synthetic Locate There were several reasons for the research into plastics in the nineteenth century, among them the great advances that had been made in the field of 3 Answer: chemistry Locate and the search for alternatives to natural resources like ivory. The birth of modern plastics. Please descibe the mistake as details as possible along with your expected correction, leave your email so we can contact with you when needed. The years 1899 and 1900 had seen the patenting of the first semi-synthetic thermosetting material that could be manufactured on an industrial scale. Universities often demand an IELTS score of 6 or 7. Which TWO of the following factors influencing the design of Bakelite objects are mentioned in the text? There were several reasons for the research into plastics in the nineteenth century, among them the great advances that had been made in the field of 3 Answer: chemistry Locate and the search for alternatives to natural resources like ivory. The Nature and Aims of Archaeology Archaeology is partly the discovery of treasures of the past, partly the work of the scientific analyst, partly the exercise of the creative imagination. Read the passage below and answer questions 1-13. Reading 3 - Passage 1. IELTS Academic Reading Sample 76 - What's so funny? if necessary the product was moulded in separate pieces, Baekeland's invention, although treated with disdain in its early years. The joke comes over the headphones: ' Which side of a dog has the most hair? Try again. ' 9 He was famous as a doctor before he was employed by the Queen. There were several reasons for the research into plastics in the nineteenth century, among them the great advances that had been made in the field of 3 and the search for alternatives to natural resources like ivory. Learn more. The resin was allowed to cool in shallow trays until it hardened, and then broken up and ground into powder. Some plastics behave in a similar way to 1 . His invention, which he named 'Bakelite', was of enormous technological importance, and effectively launched the modern plastics industry. We will get back to you shortly. admin 06/07/2020 Cambridge IELTS Reading Answers ⦠The resulting granular powder was raw Bakelite, ready to be made into a vast range of manufactured objects. While Baekeland had been busily amassing dollars, some advances had been made in the development of plastics. See more. Check out our bakelite samples selection for the very best in unique or custom, handmade pieces from our shops. Choose the correct letter, A, B, C or D. 6) Britain has already got A four million CCTV cameras. * This window is to review your answers only, you cannot change the answers in here. Write your answers in boxes 4-8 on your answer sheet. CAMBRIDGE IELTS 5 READING TEST 2 ANSWERS. Choose ONE WORD ONLY from the passage for each answer. The result was a resin known as Novalak, which became soluble and malleable when heated. Cambridge IELTS 15 is the latest IELTS exam preparation. Some are âthermoplasticâ, which means that, like candlewax, they melt when heated and can then be reshaped. In 1907, Leo Hendrick Baekeland, a Belgian ⦠The original patent outlined a three-stage process, in which phenol and formaldehyde (from wood or coal) were initially combined under vacuum inside a large egg-shaped kettle. The left.' While Baekeland had been busily amassing dollars, some advances had been made in the development of plastics. Bakelite was unique because it was the first material to be both entirely 2 in origin, and thermosetting. Bakelite Test with Hot Water. Please Submit to view your score, solution and explanations. Please descibe the mistake as details as possible along with your expected correction, leave your email so we can contact with you when needed. The years 1899 and 1900 had seen the patenting of the first semi-synthetic thermosetting material that could be manufactured on an industrial scale. In the IELTS Reading Test, there'll be 3 paragraphs for which you will get a total of 60 minutes time to complete. admin 10/07/2020 Cambridge IELTS Reading Answers No Comments. In this video, you will practice another type of reading question associated with finding detailed information. Vocabulary. The thickness of the walls of the mould was also crucial’ thick walls took longer to cool and harden, a factor which had to be considered by the designer in order to make the most efficient use of machines. Bakelite was unique because it was the first material to be both entirely 2 in origin, and thermosetting.Answer: synthetic Locate. If you go to estate and garage sales you will see lots of jewelry, sometimes you find gold or silver, but you may also come across bakelite. admin 17/06/2020 Cambridge IELTS Reading Answers No Comments. Baekeland's invention, although treated with disdain in its early years, went on to enjoy an unparalleled popularity which lasted throughout the first half of the twentieth century. Remember to transfer them to the answer boxes. The outside.' His invention, which he named âBakeliteâ, was of enormous technological importance, and effectively launched the modern plastics industry. 8y 1905 he was a wealthy New Yorker, having recently made his fortune with the invention of a new photographic paper. In 1907, Leo Hendrick Baekeland, a Belgian scientist working in New York, discovered and patented a revolutionary new synthetic material. Electrical manufacturers seized on its insulating properties, and consumers everywhere relished its dazzling array of shades, delighted that they were now, at last, no longer restricted to the wood tones and drab browns of the preplastic era. In boxes 11-13 on your answer sheet, write, TRUE if the statement agrees with the information, FALSE if the statement contradicts the information, NOT GIVEN if there is no information on this, 11 TRUEFALSENOT GIVEN Modern-day plastic preparation is based on the same principles as that patented in 1907.Answer: TRUE Locate, 12 TRUEFALSENOT GIVEN Bakelite was immediately welcomed as a practical and versatile material.Answer: FALSE Locate, 13 TRUEFALSENOT GIVEN Bakelite was only available in a limited range of colours.Answer: FALSE Locate. Do the following statements agree with the information given in Reading Passage 1? His invention, which he named 'Bakelite', was of enormous technological importance, and effectively launched the modern plastics industry. Choose ONE WORD ONLY from the passage for each answer. Being both non-porous and heat-resistant, Bakelite kitchen goods were promoted as being germ-free and sterilisable. Sharp corners proved impractical and were thus avoided, giving rise to the smooth, 'streamlined' style popular in the 1930s. What's so funny? Some plastics behave in a similar way to 1 . Give yourself 20 minutes to complete this practice set. Answer: B, C IN EITHER ORDER Locate10. The history of today's plastics begins with the discovery of a series of semi-synthetic thermoplastic materials in the mid-nineteenth century. Write your answers in boxes 1-3 on your answer sheet. The answer can be found in lines 4-5 paragraph no. Other substances were then introduced: including fillers, such as woodflour, asbestos or cotton, which increase strength and moisture resistance, catalysts (substances to speed up the reaction between two chemicals without joining to either) and hexa, a compound of ammonia and formaldehyde which supplied the additional formaldehyde necessary to form a thermosetting resin. History of today 's plastics begins with the discovery of a dog has the most hair based! 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