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Ans: (i) Metals combine with oxygen to form metal oxides. 2. 4.2 Chemical Properties of Metals and Non-Metals . (a) Generally, non-metals react with acids. Reaction of Metals and Non- Metals With Oxygen ,Materials: Metals and Non Metals - Get topics notes, Online test, Video lectures, Doubts and Solutions for CBSE Class 8 on TopperLearning. 5 Downloads. Some of the concepts discussed in topics under this chapter include reaction with oxygen, reaction with water, reactions with acids, displacement reactions and so on. Which of the following statements is correct? 4.3 Uses of Metals and Non-Metals To be able to describe in detail how a metal and non-metal react in oxygen. Metals like K and Na react … (d) Some non-metals are ductile. (a) Phosphorus is a very reactive non-metal. Question 1 What happen when carbon react with oxygen? Hydrogen form a neutral oxide water. Metals can be drawn into thin wires because: (a) they are sonorous (b) they are malleable (c) they are ductile (d) they are dense. 4. (e) How do non-metals react with oxygen? Metal + Oxygen → Metal Oxide 4K + O 2 → 2K 2 O (d) Oxygen. Action with hydrogen. Non-metals do not react with dilute mineral acids. (d) Metals react with acids to produce hydrogen gas. The complete list of topics is given below: 4.1 Physical Properties of Metals and Non-Metals. (a) Define non-metals. But all metals do not react in the same way with water. Metal react with oxygen to form metal Oxide. 2735 Views. (d) Name a non-metal which is extremely hard. Explain with an example. (b) Metals are good conductors of heat and electricity. Katherine Richard. Lesson: Lesson 4: Reacting metals and non-metals with Oxygen. 0 Favorites MCS Year 7 Chemistry ... Equipment Order: (CD = class demo, CP = class … Give five examples of non-metals. Metals react with dilute mineral acid to liberate hydrogen. (b) All non-metals are ductile. Dec 22, 2020 - Reaction of Non Metals with Oxygen- Materials : Metals & Non-Metals Class 8 Video | EduRev is made by best teachers of Class 8. Question 2 What happen when sulphur react with oxygen? (c) Iron is more reactive than copper. What happens when [KVS 2008] Watch Reaction of Metals and Non- Metals With Oxygen Videos tutorials for CBSE Class 8 Science. 2Cu + O2 → 2CuO; 4Al + 3O2 → 2Al2O3 (ii) In general metals react with water to form a metal oxide or hydroxide and hydrogen gas. Mark ‘T’ if the statement is true and ‘F’ if it is false. 3. The physical properties are insufficient to identify if a substance is metal or a nonmetal and so there is need to test chemical properties of metal and non-metal . Sulphur form an acidic oxide sulphur dioxide. NCERT Solutions for Class 8 Science Chapter 4 – 5 Mark Questions and Answers. (a) All metals are ductile. This video is highly rated by Class 8 students and has been viewed 587 times. Lets start with reaction of metals with oxygen. (b) Name a non-metals which conducts electricity. Eg. In this session, students shall learn about the combustion reactions of metals and non metals and also about the ensuing products. Revise Science chapters using videos at TopperLearning - 1940 Give equation of the reaction involved. Metals do not react with hydrogen but non-metals react with hydrogen to form hydrides. 4. (c) Generally, metals are ductile. Reaction Of Non-Metals with oxygen Non-Metals react with oxygen to form acidic oxides or neutral oxides. What is the nature of the product? ( ) (b) Sodium is a very reactive metal. (c) Name a non-metals having lustre (shining surface). Carbon form an acidic oxide carbon dioxide. Question 1. This session, students shall learn about the ensuing products What happens when [ 2008. About the ensuing products Metals are good conductors of heat and electricity this video is highly rated by Class students... 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