{"id":733660,"date":"2024-09-12T15:09:33","date_gmt":"2024-09-12T09:39:33","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=733660"},"modified":"2024-09-18T12:21:15","modified_gmt":"2024-09-18T06:51:15","slug":"quiz-4-class-9-science-chapter-2-is-matter-around-us-pure","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/free-online-quizzes\/class-9-science-chapter-2-is-matter-around-us-pure-quiz-4\/","title":{"rendered":"Quiz 4 \u2013 Class 9 Science Chapter 2 Is Matter Around Us Pure"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/free-online-quizzes\/class-9-science-chapter-2-is-matter-around-us-pure-quiz-4\/#Class_9_Science_Chapter_2_Is_Matter_Around_Us_Pure_Quiz_4\" title=\"Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 4\">Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/free-online-quizzes\/class-9-science-chapter-2-is-matter-around-us-pure-quiz-4\/#Class_9_Chemistry_Chapter_2_Is_Matter_Around_Us_Pure_Quiz_Questions\" title=\"Class 9 Chemistry Chapter 2 Is Matter Around Us Pure Quiz Questions\">Class 9 Chemistry Chapter 2 Is Matter Around Us Pure Quiz Questions<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Class_9_Science_Chapter_2_Is_Matter_Around_Us_Pure_Quiz_4\"><\/span>Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Welcome to <strong>Quiz 4 of Class 9 Science Chapter 2 \u2013 Is Matter Around Us Pure!<\/strong> In this quiz, we\u2019ll continue to build upon everything you\u2019ve learned in the previous quizzes about matter and its composition. This time, we will focus on testing your deeper understanding and your ability to apply the knowledge gained in Quizzes 1, 2, and 3.<\/p>\n<p>Throughout <strong>Chapter 2<\/strong>, we\u2019ve explored how matter is classified into <strong>pure substances<\/strong> like elements and compounds, and <strong>mixtures<\/strong>, which can be either homogeneous or heterogeneous. This quiz will push you further, challenging your grasp on these concepts and offering a chance to solidify your foundation in chemistry.<\/p>\n<p>Let\u2019s dive into <strong>Quiz 4<\/strong> and see how well you\u2019ve understood the various forms of matter. It\u2019s the perfect way to review your progress, enhance your learning, and build more confidence in the subject!<\/p>\n<p><strong>Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 4 Rules<\/strong><\/p>\n<ul>\n<li><strong>Time Limit<\/strong>: You have <strong>15 minutes<\/strong> to complete the quiz. Be sure to manage your time effectively.<\/li>\n<li><strong>Multiple Choices<\/strong>: Each question provides several answer options. Pick the one that seems correct based on your knowledge.<\/li>\n<li><strong>Single Correct Answer<\/strong>: Every question has only <strong>one correct answer<\/strong>. Choose the best option you think is right.<\/li>\n<li><strong>No Negative Marking<\/strong>: There\u2019s no penalty for wrong answers, so feel free to take a guess if you\u2019re unsure. You won\u2019t lose any points for incorrect answers.<\/li>\n<\/ul>\n<p><strong>Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 4 Structure<\/strong><\/p>\n<ul>\n<li><strong>Total Questions<\/strong>: 10<\/li>\n<li><strong>Topics Covered<\/strong>: This quiz focuses on the key concepts from <strong>Chapter 2, &#8220;Is Matter Around Us Pure.&#8221;<\/strong> It includes questions on the classification of matter, the difference between pure substances and mixtures, methods of separation, and the distinction between homogeneous and heterogeneous mixtures.<\/li>\n<\/ul>\n<p>Good luck! Use your knowledge to answer confidently and continue strengthening your understanding of matter.<\/p>\n<div class=\"card\" style=\"text-align: center;\"><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/online-courses-cbse-class-9?utm_source=surge&amp;utm_medium=interlinking\"><br \/>\n<img loading=\"lazy\" class=\" lazyloaded\" style=\"width: 100%; border-radius: 10px;\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/class-9-cbse-foundation-course.png\" alt=\"class 9 cbse foundation course\" width=\"1201\" height=\"636\" data-src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2024\/09\/class-9-cbse-foundation-course.png\" \/><\/a><a class=\"btn btn-primary\" href=\"https:\/\/infinitylearn.com\/online-courses-cbse-class-9?utm_source=surge&amp;utm_medium=interlinking\"><button><strong>Class 9 CBSE Foundation Course<\/strong><\/button><\/a><\/p>\n<div style=\"text-align: center;\">The Class 9 CBSE Foundation Course is designed to be the most competitive educational program in India, providing an exceptional online learning experience. Our focused batch encompasses all crucial subjects, ensuring comprehensive preparation for students.<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Class_9_Chemistry_Chapter_2_Is_Matter_Around_Us_Pure_Quiz_Questions\"><\/span>Class 9 Chemistry Chapter 2 Is Matter Around Us Pure Quiz Questions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Question 1: Milk is a type of<\/strong><\/p>\n<p>a) True solution<br \/>\nb) Colloid<br \/>\nc) Suspension<br \/>\nd) Saturated solution<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>b) Colloid.<\/strong><br \/>\nMilk is a colloidal solution where fat and protein particles are dissolved in water. The particles are not visible to the naked eye but can scatter light, which makes milk a heterogeneous mixture despite appearing homogeneous.<\/p>\n<\/details>\n<p><strong>Question 2: What is the size of particles of blood?<\/strong><\/p>\n<p>a) Smaller than 1 nm<br \/>\nb) 1 nm to 100 nm<br \/>\nc) 100 nm to 500 nm<br \/>\nd) Greater than 500 nm<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>b) 1 nm to 100 nm.<\/strong><br \/>\nBlood is a colloidal solution where the particles range in size between 1 nm and 100 nm. These particles, such as blood cells, nutrients, and minerals, are dissolved in plasma and scatter light.<\/p>\n<\/details>\n<p><strong>Question 3: Which of the following is not an example of a liquid solution?<\/strong><\/p>\n<p>a) Solution of ethanol and water<br \/>\nb) Solution of glucose in water<br \/>\nc) Oxygen dissolved in water<br \/>\nd) Solution of chloroform dissolved in nitrogen gas<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>d) Solution of chloroform dissolved in nitrogen gas.<\/strong><br \/>\nA liquid solution has a liquid solvent. Chloroform dissolved in nitrogen gas forms a gaseous solution, not a liquid solution.<\/p>\n<\/details>\n<p><strong>Question 4: Which of the following is an example of a solid-solid colloid?<\/strong><\/p>\n<p>a) Cheese<br \/>\nb) Clouds<br \/>\nc) Milk of magnesia<br \/>\nd) Coloured gemstone<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>d) Coloured gemstone.<\/strong><br \/>\nA solid-solid colloid is a mixture where both the dispersed phase and the dispersing medium are solid. Coloured gemstones are an example of this.<\/p>\n<\/details>\n<p><strong>Question 5: Camphor in nitrogen gas is an example of<\/strong><\/p>\n<p>a) Solid in gas solution<br \/>\nb) Liquid in gas solution<br \/>\nc) Gas in solid solution<br \/>\nd) Gas in liquid solution<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>a) Solid in gas solution.<\/strong><br \/>\nIn this solution, camphor is a solid solute that dissolves in nitrogen gas, forming a solid in gas solution.<\/p>\n<\/details>\n<p><strong>Question 6: Which of the following is not true about colloidal solutions?<\/strong><\/p>\n<p>a) Blood is a colloidal solution<br \/>\nb) The components of a colloidal solution can be separated by centrifugation<br \/>\nc) The components of a colloidal solution can be separated by filtration<br \/>\nd) Their particles do not settle down when left undisturbed<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>c) The components of a colloidal solution can be separated by filtration.<\/strong><br \/>\nColloidal particles are too small to be separated by filtration, but they can be separated by centrifugation.<\/p>\n<\/details>\n<p><strong>Question 7: The scattering of light by colloidal particles is known as<\/strong><\/p>\n<p>a) Tyndall effect<br \/>\nb) Reflection<br \/>\nc) Refraction<br \/>\nd) None of the above<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>a) Tyndall effect.<\/strong><br \/>\nThe Tyndall effect occurs when light is scattered by colloidal particles that are large enough to cause this phenomenon.<\/p>\n<\/details>\n<p><strong>Question 8: Why does air in a room show the Tyndall effect?<\/strong><\/p>\n<p>a) Because air in the room behaves as a true solution<br \/>\nb) Because air in the room behaves as a saturated solution<br \/>\nc) Because air in the room behaves as a suspension<br \/>\nd) Because air in the room behaves as a colloidal solution<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>d) Because air in the room behaves as a colloidal solution.<\/strong><br \/>\nAir contains dust particles and smoke that scatter light, making it act like a colloidal solution and display the Tyndall effect.<\/p>\n<\/details>\n<p><strong>Question 9: On the basis of physical states of solute and solvent particles, solutions are divided into how many categories?<\/strong><\/p>\n<p>a) 1<br \/>\nb) 2<br \/>\nc) 3<br \/>\nd) 4<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>c) 3.<\/strong><br \/>\nSolutions are classified into three categories based on the physical states of solute and solvent: solid solutions, liquid solutions, and gaseous solutions.<\/p>\n<\/details>\n<p><strong>Question 10: The scattering of light by colloidal particles is known as<\/strong><\/p>\n<p>a) Tyndall effect<br \/>\nb) Reflection<br \/>\nc) Refraction<br \/>\nd) None of the above<\/p>\n<details>\n<summary><strong>Answer:<\/strong><\/summary>\n<p>The correct answer is <strong>a) Tyndall effect.<\/strong><br \/>\nWhen colloidal particles scatter light, this is called the Tyndall effect.<\/p>\n<\/details>\n","protected":false},"excerpt":{"rendered":"<p>Class 9 Science Chapter 2 Is Matter Around Us Pure Quiz 4 Welcome to Quiz 4 of Class 9 Science [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Is Matter Around Us Pure quiz 2","_yoast_wpseo_title":"Quiz 4 \u2013 Class 9 Science Chapter 2 Is Matter Around Us Pure with Answers","_yoast_wpseo_metadesc":"Take quiz 4 on Class 9 Science chapter 2 Is Matter Around Us Pure and Test your knowledge with simple questions and 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