{"id":2868,"date":"2026-04-22T21:17:07","date_gmt":"2026-04-22T15:47:07","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=2868"},"modified":"2026-04-22T21:17:09","modified_gmt":"2026-04-22T15:47:09","slug":"what-is-the-common-characteristic-of-the-chemical-substances-generally-known-as-cl-20-hmx-and-llm-105-which-are-sometimes-talked-about-in-media","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/prelims\/what-is-the-common-characteristic-of-the-chemical-substances-generally-known-as-cl-20-hmx-and-llm-105-which-are-sometimes-talked-about-in-media","title":{"rendered":"What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?"},"content":{"rendered":"\n<ul class=\"wp-block-list mcq\">\n<li>These are alternatives to hydrofluorocarbon refrigerants\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li><strong>These are explosives in military weapons\u00a0\u00a0\u00a0<\/strong><\/li>\n\n\n\n<li>These are high-energy fuels for cruise missiles\u00a0\u00a0\u00a0<\/li>\n\n\n\n<li>These are fuels for rocket propulsion\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Answer: (b) These are explosives in military weapons&nbsp;&nbsp;&nbsp;<\/strong><\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CL-20, HMX, and LLM-105 are\u00a0<strong>high-energy explosive compounds<\/strong>\u00a0primarily used in\u00a0<strong>advanced military applications, such as warheads, rocket propellants, and missiles<\/strong>.<\/li>\n\n\n\n<li>They are characterised as\u00a0<strong>extremely powerful or \u201cinsensitive\u201d high explosives<\/strong>\u00a0with superior performance and stability\u00a0compared to traditional explosives like TNT or RDX.<\/li>\n\n\n\n<li><strong>CL-20 (Hexanitrohexaazaisowurtzitane)<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Developed in the 1980s at the U.S. Naval Air Weapons Station China Lake, CL-20 is among the\u00a0<strong>most powerful non-nuclear explosives known.<\/strong><\/li>\n\n\n\n<li>It offers superior performance compared to traditional explosives\u00a0<strong>like HMX and RDX,\u00a0<\/strong>with higher detonation velocity and energy density.<\/li>\n\n\n\n<li>However, it is also\u00a0<strong>extremely sensitive to shock and friction,<\/strong>\u00a0which limits its widespread deployment and demands highly controlled handling and storage.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>HMX<\/strong><strong>(High Melting Explosive or Octogen)<\/strong>:\n<ul class=\"wp-block-list\">\n<li>An acronym for \u201c<strong>High Melting explosive<\/strong>,\u201d HMX is a widely used and powerful\u00a0<strong>nitroamine high explosive<\/strong>, chemically related\u00a0<strong>to RDX.<\/strong><\/li>\n\n\n\n<li>Chemically more stable than CL-20, HMX is frequently used in\u00a0<strong>military-grade plastic explosives, rocket propellants, and shaped charges<\/strong>. It is more powerful than RDX but less energetic than CL-20.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>LLM-105 (2,6-diamino-3,5-dinitropyrazine-1-oxide):<\/strong>\n<ul class=\"wp-block-list\">\n<li>LLM-105 is a newer class of energetic material developed with the\u00a0<strong>goal of enhancing safety without significantly compromising explosive power<\/strong>.<\/li>\n\n\n\n<li>Synthesized in the 1990s at Lawrence Livermore National Laboratory, LLM-105 is an insensitive high explosive.<\/li>\n\n\n\n<li>It is designed to\u00a0<strong>withstand high temperatures and mechanical shocks<\/strong>, making it suitable for use in munitions where\u00a0<strong>safety and stability are paramount.<\/strong><\/li>\n\n\n\n<li>Unlike CL-20 and HMX, LLM-105 is classified as an \u201cinsensitive high explosive,\u201d meaning it has low sensitivity to shock, heat, or friction, making it much safer for transport and handling.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Answer: (b) These are explosives in military weapons&nbsp;&nbsp;&nbsp;<\/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":[3,1],"tags":[44],"years":[63],"class_list":["post-2868","post","type-post","status-publish","format-standard","hentry","category-prelims","category-upsc","tag-science-and-tech","years-63"],"acf":[],"taxonomy_info":{"category":[{"value":3,"label":"Prelims"},{"value":1,"label":"UPSC"}],"post_tag":[{"value":44,"label":"Science and Tech"}],"years":[{"value":63,"label":"2025"}]},"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":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},{"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}],"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\/2868","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=2868"}],"version-history":[{"count":0,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/2868\/revisions"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=2868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=2868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=2868"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=2868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}