MCQ Materials: Metals and Non-Metals Chapter 4 Class 8 Science Advertisement MCQ’s For All Chapters – Science Class 8th 1. Which of the following is a liquid at room temperature?IronMercuryIodinePhosphorusQuestion 1 of 152. The most reactive metal iscoppersilverpotassiumcalciumQuestion 2 of 153. The metal which is liquid at room temperature issodiumbrominecalciummercuryQuestion 3 of 154. Which one of the following metals is the most ductile?AluminiumCopperSilverGoldQuestion 4 of 155. Which one of the following metals is the most reactive and stored in kerosene?IronSodiumPotassiumBoth B & CQuestion 5 of 156. Name the gas evolved when magnesium reacts with dilute hydrochloric acidChlorineOxygenhydrogenNitrogenQuestion 6 of 157. The metal which is not corroded by air, water and acid iscopperzincaluminiumgoldQuestion 7 of 158. Metals aresoft and brittlehard and solid liquidgenerally liquidQuestion 8 of 159. Materials having qualities of both metals and non-metals arealloysmetalloidsnoble metalsnone of theseQuestion 9 of 1510. Which metal reacts readily with cold water?GoldSilverMagnesiumCalciumQuestion 10 of 1511. The best electrical conductor isgoldcoppersilveraluminiumQuestion 11 of 1512. Iron is galvanised by coating it withchromiumsodiummagnesiumzincQuestion 12 of 1513. Out of these, which one is more reactive with water?SodiumMagnesiumIronCopperQuestion 13 of 1514. Boron ismetalmetalloidnon-metalalkaliQuestion 14 of 1515. A mineral from which. a metal can be extracted on the commercial scale, economically is calledoremetalloidcorrosionmetalQuestion 15 of 15 Loading...
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I scored 15 out od 15 in first attempt attempt ….
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