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