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