{"id":9806,"date":"2024-07-02T10:12:48","date_gmt":"2024-07-02T09:12:48","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=9806"},"modified":"2024-07-17T11:56:39","modified_gmt":"2024-07-17T10:56:39","slug":"metallurgy-set-1","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2024\/07\/02\/metallurgy-set-1\/","title":{"rendered":"Metallurgy Set &#8211; 1"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>1. \u00a0An element of an inorganic compound found in nature and contains metal is known as _________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Mineral<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B.  Ore <\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Both (a) and (b) <\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. None of these<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A.Mineral <BR>\nSOLUTION : Minerals are inorganic compounds or elements that contain metals and occur naturally in the earth&#8217;s crust. They are usually solid, crystalline, and form by geological processes. Minerals have a fixed chemical composition and can be found in pure form or as an alloy. <\/p>\n<\/div>egin\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. A chemical process of extracting a metal from its ore is known as ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Mineralogy<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B.  Metallurgy<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Liquation<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. None of the above<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.Metallurgy<BR>\nSOLUTION:The process of extracting metals from their ores is called metallurgy. The specific method used depends on the type of ore and the impurities it contains.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. A mineral from which the metal is extracted economically is known as _________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. &nbsp;&nbsp;Matrix<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. &nbsp;Gangue<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Ore<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D.  None of these<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER : C.Ore<BR>\nSOLUTION: A mineral from which metal can be extracted economically is called an ore. Ores are minerals found in the Earth&#8217;s crust that contain metal compounds in high enough concentrations to be extracted profitably. All ores are minerals, but not all minerals are ores.\n <\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. An unwanted earthly material associated with tin ore as impurity is known as __________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Gangue<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Flux<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Froth<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. None of these<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: A.Gangue<BR>\nSOLUTION:The unwanted earthly materials present in an ore are known as gangue.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. &nbsp;The process used to convert impure alumina to pure alumina is  __________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Roasting<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Electrolytic refining<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Purification<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Baeyer&#8217;s process<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: D.Baeyer&#8217;s process<BR>\nSOLUTION: Baeyer&#8217;s process is used to convert impure alumina to pure alumina.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. &nbsp;Aluminium powder is used in thermite welding because _______.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. &nbsp;It is a strong reducing agent<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. &nbsp;It is strong oxidising agent<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. It is corrosion resistant<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. It is a good conductor of heat<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A. It is a strong reducing agent<BR>\nSOLUTION:It is a strong reducing agent. It is a strong oxidizing agent. It is corrosion resistant. \n\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. Metals aluminium and copper present in the alloy ______.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A.  Solder<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Brass<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Bronze<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Duralumin<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:D.Duralumin<BR>\nSOLUTION :\nRolled gold: Rolled gold is an alloy of Copper and Aluminium. It is used for making cheap ornaments. An alloy is a mixture of two or more metals.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. &nbsp; In electrolytic refining of metals the impure metal is made _______.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Cathode<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Salt bridge <\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Anode<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Electrode<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: C.Anode<BR>\nSOLUTION:In electrolytic refining the impure metal is made as anode and the pure metal is made as cathode.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9. The method used for refining of aluminium is  ____________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Hall&#8217;s Process<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Bayaer&#8217;s Process <\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Hoopes Process<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. All of the above<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:C.If its hydrogen\/hydrogen compound content is zero<BR>\nSOLUTION:Therefore, the purification of aluminum by electrolytic refining is known as Hoope&#8217;s process.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>10. &nbsp;Biogas is produced by anaerobic fermentation of biological materials. The main constituent of biogas is ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Propane<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Ethene<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Butane<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Methane<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: D.Methane<BR>\nSOLUTION:\nBiogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion. The major constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia.     \n<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. \u00a0An element of an inorganic compound found in nature and contains metal is known as _________. A. Mineral B. Ore C. Both (a) and (b) D. None of these ANSWER &#038; SOLUTION ANSWER:A.Mineral SOLUTION : Minerals are inorganic compounds or elements that contain metals and occur naturally in the earth&#8217;s crust. They are usually<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,19],"tags":[5158,5159,5163,5157,5160,5155,5651,5653,5646,5165,4029,5649,5652,5164],"class_list":{"0":"post-9806","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-chemistry","7":"category-science","8":"tag-a-chemical-process-of-extracting-a-metal-from-its-ore-is-known-as-________","9":"tag-a-mineral-from-which-the-metal-is-extracted-economically-is-known-as-_________","10":"tag-aluminium-powder-is-used-in-thermite-welding-because-_______-2","11":"tag-an-element-of-an-inorganic-compound-found-in-nature-and-contains-metal-is-known-as-_________","12":"tag-an-unwanted-earthly-material-associated-with-tin-ore-as-impurity-is-known-as-__________","13":"tag-biogas-is-produced-by-anaerobic-fermentation-of-biological-materials-the-main-constituent-of-biogas-is-________","14":"tag-chemistry-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","15":"tag-chemistry-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-examsin-kannada","16":"tag-exam-veda","17":"tag-in-electrolytic-refining-of-metals-the-impure-metal-is-made-_______","18":"tag-mcqs-adda","19":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","20":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-examsin-kannada","21":"tag-metals-aluminium-and-copper-present-in-the-alloy-______"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9806","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=9806"}],"version-history":[{"count":2,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9806\/revisions"}],"predecessor-version":[{"id":9847,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9806\/revisions\/9847"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=9806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=9806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=9806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}