(ii) Middle reactive : Such as Zn, Fe, Pb and Cu are extracted by Reduction using carbon. Materials: Metals and Non-Metals Class 8 Science MCQs Pdf. (C) Copper displaces zinc from zinc sulphate solution. Hence, fraction of gold present in 18 carats = 18/24 = 3/4. Which of the following can be beaten into thin sheets? Non-metals are used in fertilisers, water purification, antiseptics, and crackers, and they are also essential for our breathing. (c) Correct. Question 2. Answer: (i) Mercury (ii) Bromine 2. >> Class 10 >> Physics >> Science >> Metals and Non metals In Text Page 53. (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Answer. (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen. Which of the following can be beaten into thin sheets? Periodic classification of elements. Materials: Metals and Non-Metals Class 8 MCQs Questions with Answers Choose the correct option. Which of the following can be beaten into thin sheets? Quiz Description: NCERT Class 8 Science Chapter 4 Quiz: Materials: Metals and Non-Metals Chapter Name: Materials: Metals and Non-Metals Subject: Science Class: 8 Book: Science Textbook. Solution 4. Ans. The solution of oxides of non-metal with water turns the blue litmus paper into the red. Ask your doubts and answer the questions asked by your friends through Discussion Forum 2022-23. January (61) This gas turns moist blue litmus red. Explanation: Burning Magnesium ribbon Magnesium Magnesium burns in air to form its oxide. Students can easily download these solutions in PDF format for free or can read them online. NCERT Solutions for Class 8 Science Chapter 4 - 3 Mark Questions and Answers. c) Piece of coal. Answer:- d) zinc granule. Use these for exam preparation, to understand concepts or to do your homework. Answer: (a When non-metal reacts with air, it forms a non-metal oxide which is acidic in nature. Non-metals are (a) non-ductile (b) non-sonorous (c) non-malleable (d) all of these Answer Question 3. NCERT Solutions for Class 8 Science Chapter 4 Materials: Metals and Non-Metals is given below. In this post, you can read and download NCERT Solutions for Class 8 Science Chapter 4 Materials Metals and Non-Metals. Reproduction. . Non-metals are not malleable and not ductile. SOLUTION: (A) F (B) T (C) F (D) F. Q 5. Answer: Copper, aluminium, iron, silver, gold, etc. SOLUTION . Metals are (a) shiny (b) hard (c) sonorous (d) all of these Answer Question 2. NCERT Solutions Class 8 Science Chapter 4 Materials Metals and Non Metals - NCERTworld - NCERT Solutions Class 8 * - For NCERT solutions from class 6 to 12 all subjects are available free Name some common metals. Sodium (iii) is the best conductor of heat. Metals and Non metals Chapter 3 Exercise 4 Class 10 Physics NCERT Book Solutions. Question 3. Which of the following statements is correct? Light- Reflection and Refraction. (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Answer: (a) Zinc As Zinc is a metal and metal have the property of malleability (Can be converted in sheet by beating). Answer: Pure gold is 24 carats. Answer: (ii) Formation of Na 2 O and MgO (iii) In Na 2 O, ions present are Na + and O 2-. Metals like sodium and potassium are soft and can be cut with a knife. 2. (ii) Sodium is a very reactive metal. (b) Incorrect- Metals are excellent heat and electricity conductors. Sodium (iii) is the best conductor of heat. Share Your LoveQuestion 1. Now you will get step by step solution to each question. Ductility is a characteristic property of metals. (b)As we know metal is ductile in nature which properties of metal helps in making the rod. (d) Sodium and potassium are stored in kerosene. Charcoal burns in oxygen to give CO 2. Ans: - (a) Aluminium foils helps in wrap food items as according to the properties of aluminium it helps in maintain the heat balance throughout time so the food remain in good quality and doesn't become rancid as air also doesn't flow through it. Sulphur is a non-metal. Assertion and Reason Questions Class 8 Science Chapter 4 Materials : Metals and Non-Metals 1.) EXPLANATION : (a) White phosphorus is more reactive than red phosphorus because red phosphorus has polymeric structure while white phosphorus has unstable arrangement which makes the white . NCERT Solutions for Class 8 Science Free PDF Download. REASON :Phosphorus is a very reactive non-metal. Free solutions for NCERT Solutions - Science , Class 8 Chapter 4 Materials: Metals and Non-Metals designed by Lido Experts. (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Question 2: Which of the following statements is correct? (c) Copper cannot displace zinc from its salt solution. Materials: Metals and Non-Metals Class 8 Science NCERT Textbook Questions Question 1. Give reasons for the following. (F) Concept insight: in a displacement reaction more reactive element displaces less reactive metal from its salt. These FSC Chemistry notes are only for Punjab Board and Federal Board Students. Solution: 6. (B) Sodium is a very reactive metal. (iii) Less reactive : Ag and Au are found in native state. To prevent the contact of phosphorus with atmospheric oxygen. Give reasons for the following. The property of metals by which they can be beaten into thin sheets is called ____ a) Ductility b) Sheetability c) Metallic d) Malleability. Ans.Mercury (ii) can be easily cut with a knife. (b) All non-metals are ductile. All non-metals are ductile. (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Answer: (a) Zinc Question 2. (a) Aluminium Students can download the latest NCERT Solutions for Class 8 Science Chapter 4 pdf. These Notes are in hard copy. Which of the following can be beaten into thin sheets? Ans. Metals are used in automobiles, trains, industrial gadgets, aeroplanes, cooking utensils, water boilers, etc. CBSE Solutions Class 8 Science Beehive Prose Page No. Therefore, copper cannot displace zinc from its salt solution. by aglasem. Solution 28: (a) Correct. (a) All NCERT Solutions for Class 8 Science Chapter 4 . Detailed solution for all the exercise questions is solved by our experts (CBSE syllabus) . 1. d) Zinc granule. (A) Generally, non-metals react with acids. Silicon, Arsenic, Germanium .They are called metalloids Question 2. (d) Sodium and potassium are stored in kerosene Question 1. Here, we first explain the concepts, and then you do the questions related to the concept - both NCERT Questions, as well as extra questions which we have made for you. 2) The substance that will be flattened on Beating with a hammer is. these solutions have been designed by expert teachers based on the latest pattern which is followed in various schools to ensure that you are able to understand . (F) Concept insight: non metallic oxides are acidic in nature. 53 Exercise Q1. Check the summary of 1st Year Chemistry notes</b>:. Silver (iv) is a poor conductor of heat. Elements are classified broadly into two categories on the basis of properties: Metals: Iron, Zinc, Copper, Aluminium etc. . Structure of CBSE Science Sample Paper for Class 10 is. Distinguish between metals and non-metals on the basis of these properties. Mercury and Lead 2.Explain the meanings of malleable and ductile. Answer . 7. Distinguish between metals and non-metals on the basis of these properties. Generally, metals are malleable and ductile. Students can get how to tackle different questions easily by solving the Extra Questions for Class 8 Science Question bank on a regular basis. Which of the following statements is correct? Each question has right answer Solved by Expert Teacher. In this chapter, we will learn What are Metals, Non-Metals and their examples State the fraction of gold present in an 18-carat gold piece. (a) Aluminium foils are used to wrap food items. Which of the following can be beaten into thin sheets? a) Crystal of iodine. The metal which is liquid at room temperature is (a) sodium (b) bromine (c) calcium (d) mercury Answer Metal And Non Metals Class 8 MCQ Question 4. You can Prepare effectively for the exam taking the help of the Class 8 Science Objective Questions PDF free of cost from here. Which of the following can be beaten into thin sheets? See activity 1.1. (b) All non-metals are ductile. NCERT Solutions for Class 8 Science Chapter 4 Materials Metals and Non-Metals Chapter 1 Crop Production and Management Chapter 2 Microorganisms Friend and Foe Chapter 3 Synthetic Fibres And Plastics Chapter 4 Materials Metals and Non-Metals Chapter 5 Coal and Petroleum Chapter 6 Combustion And Flame Chapter 7 Conservation Of Plants And Animals MgO (S) + H2O (l) -> Mg (OH) 2 (aq) September 29, 2022. in 8th Class. Carbon dioxide reacts with water to form carbonic acid, which turns blue litmus . (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Ans- (a) Zinc Q.2- Which of the following statements is correct? a) Zinc Explanation: Phosphorus, Sulfur, and Oxygen are nonmetals that lack malleability and ductility, whereas Zinc is a metal with both. We've provided you with the latest solution for Class 8 Pdf (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Answer: (a) Zinc Q2. Ans.Silver (iv) is a poor conductor of heat. We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 8 Science book Chapter 4 Materials: Metals and Non-Metals with Answers by expert subject teacher for latest syllabus and examination. If they are kept in an open area they will react with oxygen and moisture present in the air and will catch fire immediately. Management of natural resources. Name (i) one metal and (ii) one non-metal which normally exists in the liquid state. Mercury and Lead Q2. Let us find out. Solution:- Sodium and potassium are very reactive metals. Don't forget to share with your best friends and class fellows. Name some common non-metals. Copper, iron , and aluminum are metals. Materials: Metals and Non-Metals Class 8 Extra Questions Very Short Answer Type Question 1. Mercury (ii) can be easily cut with a knife. Which of the following can be beaten into thin sheets? This Science textbook for Class 8 is designed by NCERT and is very useful for students. NCERT Solutions for Class 8 Science Chapter 1 Crop Production and Management PDF Exercise Questions Question 1: Which of the following can be beaten into thin sheets? These 1st Year Chemistry notes are for Class 11th / Intermediate-I /FSC -I / ICOM-I / ICS-I. (c) Copper cannot displace zinc from its salt solution. The chapter ends by listing the various uses of metals and non-metals. NCERT Solutions of class 10 science chapter 3-Metals and Non-Metals Page No: 40 Q1. Access NCERT Solutions for Class- 8 Science Chapter 4 - Materials Metals and Non-Metals 1. (a) All metals are ductile. In this chapter, we provide NCERT Exemplar Problems Solutions for Class 8 Science Chapter 4 Materials : Metals and Non-Metals for English medium students, Which will very helpful for every student in their exams. Phosphorus is a very__non-metal. (a) Aluminium foils are used to wrap food items. Answer Hardness: Due to the ductility and malleability properties, metals are very strong and some of the metals which have the properties of non ductile and non malleable are not all strong. Type of Question. (b) Metals are__conductors of heat and__. If you are studying in Class 8 then can download Pdf NCERT Solution Class 8 Science - Chapter 4 Materials: Metals and Non-Metals for exam preparation. (c) Iron is__reactive than copper. Copper is a less reactive metal than zinc. So this is acidic in nature. 3. In Text Page 40 In Text Page 46 In Text Page 49 In Text Page 53 . (b) Metals are good conductors of heat and electricity. Sodium and potassium are stored in kerosene. NCERT Solutions for Class 8 Science Chapter 4 Materials: Metals and Non-Metals NCERT TEXTBOOK EXERCISES Question 1. Students who are in Class 8 or preparing for any exam which is based on Class 8 Science can refer NCERT Science Book for their preparation. Give examples of metalloids. NCERT Solutions for Class 8 Science Chapter 4 - Materials:Metals and Non-Metals - NCERT Exercises Question 6 Give reasons for the following: (a) Aluminium foils are used to wrap food items. Get NCERT Solutions and Notes of Chapter 4 Class 8 - Materials: Metals and Non-Metals at teachoo. Students can solve NCERT Class 8 Science Materials: Metals and Non-Metals MCQs Pdf with Answers to know their preparation level. Class 10 Science | NCERT Web Notes; Class 10 Science | NCERT Activity Solutions; Class 10 NCERT Notes PDF; Metals and Non-metals | Class 10 PDF Notes | NCERT; Acids, Bases and Salts | Class 10 PDF Notes | NCERT; Chemical reactions and equations | Class 10 PDF No. (b) Immersion rods for heating liquids are made up of metallic substances. The most reactive metal is (a) copper (b) silver (c) potassium (d) calcium Answer Class 8 Science Ch 4 MCQ Question 3. 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