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?IronMercuryIodinePhosphorusYour comments:Question 1 of 152. The most reactive metal iscoppersilverpotassiumcalciumYour comments:Question 2 of 153. The metal which is liquid at room temperature issodiumbrominecalciummercuryYour comments:Question 3 of 154. Which one of the following metals is the most ductile?AluminiumCopperSilverGoldYour comments:Question 4 of 155. Which one of the following metals is the most reactive and stored in kerosene?IronSodiumPotassiumBoth B & CYour comments:Question 5 of 156. Name the gas evolved when magnesium reacts with dilute hydrochloric acidChlorineOxygenhydrogenNitrogenYour comments:Question 6 of 157. The metal which is not corroded by air, water and acid iscopperzincaluminiumgoldYour comments:Question 7 of 158. Metals aresoft and brittlehard and solid liquidgenerally liquidYour comments:Question 8 of 159. Materials having qualities of both metals and non-metals arealloysmetalloidsnoble metalsnone of theseYour comments:Question 9 of 1510. Which metal reacts readily with cold water?GoldSilverMagnesiumCalciumYour comments:Question 10 of 1511. The best electrical conductor isgoldcoppersilveraluminiumYour comments:Question 11 of 1512. Iron is galvanised by coating it withchromiumsodiummagnesiumzincYour comments:Question 12 of 1513. Out of these, which one is more reactive with water?SodiumMagnesiumIronCopperYour comments:Question 13 of 1514. Boron ismetalmetalloidnon-metalalkaliYour comments:Question 14 of 1515. A mineral from which. a metal can be extracted on the commercial scale, economically is calledoremetalloidcorrosionmetalYour comments:Question 15 of 15 Loading...
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I scored 15 out od 15 in first attempt attempt ….
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