{"id":38,"date":"2023-04-01T12:49:39","date_gmt":"2023-04-01T12:49:39","guid":{"rendered":"http:\/\/localhost\/solvefor2\/?p=38"},"modified":"2023-04-01T12:51:22","modified_gmt":"2023-04-01T12:51:22","slug":"chemistry-topic-paper-hydrogen-part-one","status":"publish","type":"post","link":"https:\/\/edu.co.tz\/notes\/chemistry-topic-paper-hydrogen-part-one\/","title":{"rendered":"CHEMISTRY TOPIC PAPER, HYDROGEN [ PART ONE ]"},"content":{"rendered":"<p style=\"text-align: center\">CHEMISTRY TOPIC PAPER\n<\/p>\n<p style=\"text-align: center\">HYDROGEN [ PART ONE ]\n<\/p>\n<p>TIME ALLOWED ; 30 Minutes ONLY.\n<\/p>\n<p>INSTRUCTIONS ; ANSWER ALL QUESTIONS.\n<\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">1. <span style=\"color:black\">The best way of testing hydrogen is that .<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(a) <span style=\"color:black\">it supports combustion<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(b) <span style=\"color:black\">it is a colourless and odourless<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(c) <span style=\"color:black\">it gives a smell of a rotten egg<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(d) <span style=\"color:black\">it form a pop sound when burnt<br \/>\n<\/span><\/span><\/p>\n<p>\n\u00a0<\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">2. <span style=\"color:black\">When dilute hydrochloric acid reacts with zinc metal the product is .<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(a) <span style=\"color:black\">hydrogen chloride gas<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(b) <span style=\"color:black\">hydrogen gas<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(c) <span style=\"color:black\">chloride gas<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(d) <span style=\"color:black\">hydrogen peroxide<br \/>\n<\/span><\/span><\/p>\n<p>\n\u00a0<\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">3. <span style=\"color:black\">Hydrogen can be manufactured in industry through .<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(a) <span style=\"color:black\">Harber process<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(b) <span style=\"color:black\">Contact process<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(c) <span style=\"color:black\">Bosch process<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(d) <span style=\"color:black\">Reduction process<br \/>\n<\/span><\/span><\/p>\n<p>\n\u00a0<\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">4. <span style=\"color:black\">The reason why hydrogen is collected by upward delivery is that .<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(a) <span style=\"color:black\">it is soluble in water<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(b) <span style=\"color:black\">it is insoluble in water<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(c) <span style=\"color:black\">it is denser than water<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(d) <span style=\"color:black\">it is less denser in water<br \/>\n<\/span><\/span><\/p>\n<p>\n\u00a0<\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">5. <span style=\"color:black\">Hydrogen reacts with sulfur to yeald .<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(a) <span style=\"color:black\">hydrogen sulfide<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(b) <span style=\"color:black\">hydrogen sulfate<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(c) <span style=\"color:black\">sulfur dioxide<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(d) <span style=\"color:black\">sulfur trioxide<br \/>\n<\/span><\/span><\/p>\n<p>\n\u00a0<\/p>\n<p style=\"text-align: center\"><span style=\"color:#980000; font-family:Tahoma\">SECTION B<br \/>\n<\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">6. <span style=\"color:black\">List any three physical properties and any three chemical properties of hydrogen.<br \/>\n<\/span><\/span><\/p>\n<p>\n\u00a0<\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">7. <span style=\"color:black\">Mention three properties of hydrogen which make it different from oxygen.<br \/>\n<\/span><\/span><\/p>\n<p>\n\u00a0<\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">8. <span style=\"color:black\">List these items with regard to laboratory preparation of hydrogen:<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:#980000; font-family:Tahoma\">(a) <span style=\"color:black\">Apparatus used. <span style=\"color:#980000\">(b) <span style=\"color:black\">Chemicals used.<br \/>\n<\/span><\/span><\/span><\/span><\/p>\n<p style=\"text-align: center\"><span style=\"color:black; font-family:Algerian\">THE END<br \/>\n<\/span><\/p>\n<p style=\"text-align: center\"><span style=\"color:black; font-family:Algerian\">BY BROTHER JUMA SOSPETER<br \/>\n<\/span><\/p>\n<p style=\"text-align: center\"><span style=\"font-family:Algerian\">3 April 2021<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CHEMISTRY TOPIC PAPER HYDROGEN [ PART ONE ] TIME ALLOWED ; 30 Minutes ONLY. INSTRUCTIONS ; ANSWER ALL QUESTIONS. 1.<\/p>\n","protected":false},"author":1,"featured_media":266,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,1],"tags":[],"class_list":["post-38","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chemistry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CHEMISTRY TOPIC PAPER, HYDROGEN [ PART ONE ] - MAKTABA EDUCATION CENTER<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/edu.co.tz\/notes\/chemistry-topic-paper-hydrogen-part-one\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CHEMISTRY TOPIC PAPER, HYDROGEN [ PART ONE ] - MAKTABA EDUCATION CENTER\" \/>\n<meta property=\"og:description\" content=\"CHEMISTRY TOPIC PAPER HYDROGEN [ PART ONE ] TIME ALLOWED ; 30 Minutes ONLY. 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