2, “ . It became the wonder product of the new world of industrial expansion - 'the material of a thousand uses'. Baekeland's interest in plastics began in 1885 when, as a young chemistry student in Belgium, he embarked on research into phenolic resins, the group of sticky substances produced when phenol (carbolic acid) combines with an aldehyde (a volatile fluid similar to alcohol). IELTS Writing. If you want to make a better world like this, please contact us. Bakelite can be cast and moulded while hot, but cannot be softened by heat and reshaped once they have set. Hence, Bakelite is the answer of Q15. Check out our bakelite samples selection for the very best in unique or custom, handmade pieces from our shops. The design of Bakelite objects, everything from earrings to television sets, was governed to a large extent by the technical requirements of the moulding process. Being both non-porous and heat-resistant, Bakelite kitchen goods were promoted as being germ-free and sterilisable. Try again. ' 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. In the last stage, the heated Bakelite was poured into a hollow mould of the required shape and subjected to extreme heat and pressure, thereby 'setting' its form for life. The IELTS scoring system is very … 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. They may also demand a minimum IELTS score in each of the 4 sections. Sahas, 'If we make a composite with epoxy resin and another with bakelite resin, which one will be stronger?' The city of Teotihuacán, which lay about 50 kilometers northeast of modern-day Mexico City, began its growth by 200 –100 B.C. 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. 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. In 1907, Leo Hendrick Baekeland, a Belgian scientist working in New York, discovered and patented a revolutionary new synthetic material. In that they melt under heat and can be moulded into new forms. C the most sophisticated crime-fighting technology. 4) One purpose of the research is to help people to manage their lives better. Which TWO of the following factors influencing the design of Bakelite objects are mentioned in the text? IELTS Reading Examgroup provides model Practice Tests Tutorials & Model Papers with detailed Solution for Entrance exams. Write your answers in boxes 9-10 on your answer sheet. CAMBRIDGE IELTS 5 READING TEST 2 ANSWERS. .. . Collection Options: Quick Reference: Core Dictionaries with short-entry answers Find out more > Reference Library: In-depth Encyclopedias and Companions Find out more > Download a full title list. Do the following statements agree with the information given in Reading Passage? IELTS Academic Reading Sample 103 - Bakelite The birth of modern plastics BAKELITE The birth of modern plastics In 1907, Leo Hendrick Baekeland, a Belgian scientist working in New York, discovered and patented a revolutionary new synthetic material. Recently, however, it has been experiencing something of a renaissance, with renewed demand for original Bakelite objects in the collectors' marketplace, and museums, societies and dedicated individuals once again appreciating the style and originality of this innovative material. The outside.' While Baekeland had been busily amassing dollars, some advances had been made in the development of plastics. 9 He was famous as a doctor before he was employed by the Queen. Contents hide. Choose ONE WORD ONLY from the passage for each answer. The answer can be found in lines 4-5 paragraph no. Directions: Read the passage. 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 resulting granular powder was raw Bakelite, ready to be made into a vast range of manufactured objects. 8y 1905 he was a wealthy New Yorker, having recently made his fortune with the invention of a new photographic paper. The years 1899 and 1900 had seen the patenting of the first semi-synthetic thermosetting material that could be manufactured on an industrial scale. 1. Choose the correct letter, A, B, C or D. 6) Britain has already got A four million CCTV cameras. YES 5) Watching television has reduced the amount of time people spend sleeping. admin 10/07/2020 Cambridge IELTS Reading Answers No Comments. Universities often demand an IELTS score of 6 or 7. Resulting granular powder was raw Bakelite, ready to be made into a vast range colours! Heat ” is repeated in the development of plastics Bakelite Screw Clasp Art. + later on, we learn that the concerned plastic in this,... Ground up a second time ONLY from the passage for each answer that... 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