{"id":9687,"date":"2024-07-01T06:06:51","date_gmt":"2024-07-01T05:06:51","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=9687"},"modified":"2024-07-17T11:58:05","modified_gmt":"2024-07-17T10:58:05","slug":"oxidation-and-reduction-set-1","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2024\/07\/01\/oxidation-and-reduction-set-1\/","title":{"rendered":"Oxidation and reduction Set &#8211; 1"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>1. \u00a0Which of the following determines that a chemical reaction has not taken place ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Change in size<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B.  Evolution of a gas <\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C.  Change in colour<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Change in state<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:D.Change in state <BR>\nSOLUTION : A chemical reaction involves a permanent change where new substances are formed, different from the original substance. If there&#8217;s no new substance formed, or the chemical composition of the original substance remains unchanged, then a chemical reaction likely hasn&#8217;t taken place. No new substance formed and No change in chemical composition.<\/p>\n<\/div>egin\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. In which chemical reaction do bonds or ions exchange between two compounds to form different compounds?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Substitution reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B.  Dual displacement reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Redox reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Direct combination reaction<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.Dual displacement reaction<BR>\nSOLUTION:Those reactions in which two compounds react by an exchange of ions to form two new compounds are called double displacement reactions. In double displacement reactions, the positive ions exchange negative ion partners.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Which of the following chemical reactions is always endothermic in nature?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. \u00a0\u00a0Combustion reaction <\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. \u00a0\u00a0Decomposition reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C.  Displacement reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D.  Combination reaction<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER : B.Decomposition reaction<BR>\nSOLUTION: Decomposition reactions are generally endothermic because they require energy to break the bonds between atoms.\n <\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. The chemical reaction in which heat is released is called ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Exothermic<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Combination<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Endothermic<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Decomposition<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A.Exothermic<BR>\nSOLUTION:Therefore the chemical reaction in which heat is released is called an exothermic reaction.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. \u00a0A reaction in which one or more molecules of a substance are interconnected through a double or triple bond is called ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Esterification<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Addition reactions<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Functional group<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Water decomposition or saponification <\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.Addition reactions <BR>\nSOLUTION:&#8221;addition reaction&#8221;.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. \u00a0Which of the following reactions is an example of  an endothermic reaction?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. \u00a0Dissolution of sodium hydroxide in water<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. \u00a0Decomposition of ferrous sulphate<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Dilution of sulphuric acid<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Burning of natural gas<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.Decomposition of ferrous sulphate<BR>\nSOLUTION:The decomposition of ferrous sulfate is an example of an endothermic reaction because it absorbs heat. Other examples of endothermic reactions include: Melting ice cubes, Converting frost to water vapor, and Dissolving ammonium chloride in water. \n\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. What is known as the merging of an acid or alkali in water ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Decomposition reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Exothermic reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Neutral reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Endothermic reaction<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.Exothermic reaction<BR>\nSOLUTION :\nThe reaction between an acid and a base results in a salt and water as products. This reaction is called Neutralisation reaction. An acid readily combines with a base in this process, while giving out heat energy. This type of reaction is called Exothermic reactions.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. \u00a0 ___________ It is a process in which acids and bases combine to form salts and water.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Neutralization<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. \u00a0Electrical decomposition<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Distillation<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Hydrolysis<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: A.Neutralization<BR>\nSOLUTION:The process in which acids and bases combine to form salts and water is called a neutralization reaction\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9. Which of the following is an exothermic process ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Sublimation of Camphor<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. \u00a0Reaction of water with quick lime<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Evaporation of water<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. All of the options<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B.Reaction of water with quick lime<BR>\nSOLUTION: Dilution of an acid and Reaction of water with Quicklime are exothermic processes.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>10. \u00a0The reaction of sodium sulphate and barium chloride solutions is an example of ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Single displacement reactions <\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Exothermic reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Double displacement reaction<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Endothermic reaction<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER: C.Double displacement reaction <BR>\nSOLUTION:\nThe chemical reaction between barium chloride and sodium sulphate is an example of a double displacement reaction.\n<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. \u00a0Which of the following determines that a chemical reaction has not taken place ? A. Change in size B. Evolution of a gas C. Change in colour D. Change in state ANSWER &#038; SOLUTION ANSWER:D.Change in state SOLUTION : A chemical reaction involves a permanent change where new substances are formed, different from the<\/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":[5098,5100,5095,5651,5653,5646,5092,4029,5649,5652,5094,5101,5097,5093,5091],"class_list":{"0":"post-9687","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-chemistry","7":"category-science","8":"tag-___________-it-is-a-process-in-which-acids-and-bases-combine-to-form-salts-and-water","9":"tag-which-of-the-following-is-an-exothermic-process-2","10":"tag-a-reaction-in-which-one-or-more-molecules-of-a-substance-are-interconnected-through-a-double-or-triple-bond-is-called","11":"tag-chemistry-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","12":"tag-chemistry-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-examsin-kannada","13":"tag-exam-veda","14":"tag-in-which-chemical-reaction-do-bonds-or-ions-exchange-between-two-compounds-to-form-different-compounds","15":"tag-mcqs-adda","16":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","17":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-examsin-kannada","18":"tag-the-chemical-reaction-in-which-heat-is-released-is-called-________","19":"tag-the-reaction-of-sodium-sulphate-and-barium-chloride-solutions-is-an-example-of-________","20":"tag-what-is-known-as-the-merging-of-an-acid-or-alkali-in-water","21":"tag-which-of-the-following-chemical-reactions-is-always-endothermic-in-nature","22":"tag-which-of-the-following-determines-that-a-chemical-reaction-has-not-taken-place"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9687","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=9687"}],"version-history":[{"count":3,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9687\/revisions"}],"predecessor-version":[{"id":9717,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/9687\/revisions\/9717"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=9687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=9687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=9687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}