{"id":1274,"date":"2024-02-17T16:34:34","date_gmt":"2024-02-17T11:04:34","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=1274"},"modified":"2024-04-03T07:19:33","modified_gmt":"2024-04-03T01:49:33","slug":"q-with-reference-to-polyethylene-terephthalate-the-use-of-which-is-so-widespread-in-our-daily-lives-consider-the-following-statements-2","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-with-reference-to-polyethylene-terephthalate-the-use-of-which-is-so-widespread-in-our-daily-lives-consider-the-following-statements-2","title":{"rendered":"Q.\u00a0With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements:"},"content":{"rendered":"\n
    \n
  1. Its fibres can be blended with wool and cotton fibres to reinforce their properties.<\/li>\n\n\n\n
  2. Containers made of it can be used to store any alcoholic beverage<\/strong>.<\/li>\n\n\n\n
  3. Bottles made of it can be recycled into other products.<\/li>\n\n\n\n
  4. Articles made of it can be easily disposed of by incineration without causing greenhouse gas emissions<\/strong>.<\/li>\n<\/ol>\n\n\n\n

    Which of the statements given above are correct?<\/p>\n\n\n\n

      \n
    • 1 and 3<\/li>\n\n\n\n
    • 2 and 4<\/li>\n\n\n\n
    • 1 and 4<\/li>\n\n\n\n
    • 2 and 3<\/li>\n<\/ul>\n\n\n\n
      \n

      Answer: (a) 1 and 3<\/strong><\/p>\n<\/blockquote>\n\n\n\n

      Polyethylene Terephthalate<\/h5>\n\n\n\n
        \n
      • Polyethylene terephthalate<\/strong> (PET or PETE) is a condensation polymer of ethylene glycol and terephthalic acid.<\/strong><\/li>\n\n\n\n
      • It is a thermoplastic synthetic substance,<\/strong> malleable under heat, and can be placed into nearly any shape <\/strong>known mostly for its short PET form.<\/strong><\/li>\n\n\n\n
      • PET is a strong, stiff synthetic fibre and resin<\/strong> and a member of the polyester family of polymers. PET is spun into fibres for permanent-press fabrics and blow-molded into disposable beverage bottles.<\/li>\n\n\n\n
      • Polyethylene terephthalate (PET) is very moisture tolerant.<\/strong> Polyethylene terephthalate has outstanding chemical resistance<\/strong> to organic matter and water, it is not biodegradable.<\/strong><\/li>\n\n\n\n
      • A list of uses of polyethylene terephthalate<\/strong> is given below.\n
          \n
        • For the manufacturing of shopping bags, water bottles, videotapes, containers and bags, clothes and housing material, water bottles, microwave containers, packaging films, etc.<\/strong><\/li>\n\n\n\n
        • Polyester for fabrics is strong and flexible<\/strong>, and when combined with materials like cotton can reduce wrinkling, and shrinking, and makes the fabric more resistant to tears.<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n
        • Advantages of Polyethylene terephthalate<\/strong>\n
            \n
          • It is readily available and relatively inexpensive.<\/strong><\/li>\n\n\n\n
          • It has a high strength-to-weight ratio.<\/strong><\/li>\n\n\n\n
          • It is very resistant to moisture.<\/strong><\/li>\n\n\n\n
          • It has excellent chemical resistance<\/strong> to organic material and water (it is not biodegradable<\/strong> which is good and bad depending on your perspective and its intended use).<\/li>\n\n\n\n
          • It is virtually shatterproof (it won\u2019t break like glass packaging).<\/li>\n\n\n\n
          • It is easily recycled.<\/strong><\/li>\n\n\n\n
          • It can be reused by conducting a series of washing processes or broken down<\/strong> into its constituent raw materials which can then be turned into the original resin.<\/li>\n\n\n\n
          • It is highly transparent.<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n
          • PET consists only of<\/strong> carbon, hydrogen, and oxygen,<\/strong> so if it is burned in the air (or in pure oxygen), the combustion products will be carbon dioxide and water.<\/strong><\/li>\n\n\n\n
          • Maharashtra government has announced the ban on sale of alcohol in PET bottles from April 1.<\/strong> Plastic packaging is dangerous to human health and the country liquor and country made foreign liquor cannot be sold in such bottles. PET has become widely used in carbonated-beverage bottles and in jars for food processed at low temperatures. The low softening temperature of PET\u2014approximately 70 \u00b0C (160 \u00b0F)\u2014prevents it from being used as a container for hot foods.<\/li>\n<\/ul>\n\n\n\n
            \"Recycling<\/figure>\n","protected":false},"excerpt":{"rendered":"

            Which of the statements given above are correct? Answer: (a) 1 and 3 Polyethylene Terephthalate<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1,3],"tags":[44],"years":[51],"class_list":["post-1274","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-science-and-tech","years-51"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":44,"label":"Science and Tech"}],"years":[{"value":51,"label":"2022"}]},"featured_image_src_large":false,"author_info":{"display_name":"LotusArise","author_link":"https:\/\/lotusarise.com\/qna\/author\/team-lotusarise"},"comment_info":0,"category_info":[{"term_id":1,"name":"UPSC","slug":"upsc","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":1269,"filter":"raw","cat_ID":1,"category_count":1269,"category_description":"","cat_name":"UPSC","category_nicename":"upsc","category_parent":0},{"term_id":3,"name":"Prelims","slug":"prelims","term_group":0,"term_taxonomy_id":3,"taxonomy":"category","description":"","parent":1,"count":1251,"filter":"raw","cat_ID":3,"category_count":1251,"category_description":"","cat_name":"Prelims","category_nicename":"prelims","category_parent":1}],"tag_info":[{"term_id":44,"name":"Science and Tech","slug":"science-and-tech","term_group":0,"term_taxonomy_id":44,"taxonomy":"post_tag","description":"","parent":0,"count":167,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/1274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/comments?post=1274"}],"version-history":[{"count":1,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/1274\/revisions"}],"predecessor-version":[{"id":1293,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/1274\/revisions\/1293"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=1274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=1274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=1274"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=1274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}