MCQ Class 10 Science Chapter 3 Metals and Non-Metals Advertisement MCQ’s For All Chapters – Science Class 10th 1. Which of the following oxides of iron would be obtained on the prolonged reaction of iron with steam?Fe2O3 and Fe3O4Fe3O4FeOFe2O3Question 1 of 152. A non-metal used to preserve food material is:NitrogenCarbonPhosphorusSulphurQuestion 2 of 153. The arrangement for Copper, Tin, Lead and Mercury, according to the reactivity series, is:Mercury> Tin> Lead> CopperTin> Lead> Copper> MercuryLead> Copper> Mercury> TinCopper> Mercury> Tin> LeadQuestion 3 of 154. The metals that float when treated with water are:Magnesium and calciumManganese and sodiumSodium and calciumMagnesium and sodiumQuestion 4 of 155. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same? (i) Good thermal conductivity (ii) Good electrical conductivity (iii) Ductility (iv) High melting point(i) and (ii)(i) and (iii)(ii) and (iii)(i) and (iv)Question 5 of 156. Which of the following options gives the process of extraction of mercury from its ore cinnabar?Cinnabar in the presence of limited air, and then adding a small amount of waterCooling cinnabar in the presence of excess airCooling cinnabar to convert it into mercuric oxide and then heating itCinnabar to convert it into mercuric oxide and then heating it againQuestion 6 of 157. Aluminium is used for making cooking uten¬sils. Which of the following properties of alu¬minium are responsible for the same? (i) Good thermal conductivity (ii) Good electrical conductivity (iii) Ductility (iv) High melting point(i) and (ii)(i) and (iii)(ii) and (iii)(i) and (iv)Question 7 of 158. The most abundant metal in the earth’s crust isSodiumIronCalciumAluminiumQuestion 8 of 159. The poorest conductor of heat among metals isSodiumLeadMercuryCalciumQuestion 9 of 1510. Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?ConductivitySonorousnessMalleabilityDuctilityQuestion 10 of 1511. Al2O3 + 2NaOH → …… + H2OAlNaO2Al(OH)3NaAlO2Na2OQuestion 11 of 1512. Which of the following pairs will give displacement reactions?CuSO4 solution and Silver metalNaCl solution and Copper metalFeSO4 solution and Copper metalAgNO3 solution and Copper metalQuestion 12 of 1513. Non-metals form covalent chlorides becausethey cannot share electrons with chlorine atomsthey can give electrons to chlorinethey can share electrons with chlorinethey can give electrons to chlorine atoms to form chloride ionsQuestion 13 of 1514. Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?Fe2O3 and Fe2O4FeOFe2O3Fe3O4Question 14 of 1515. Which of tire following are not ionic compounds? (i) KCl (ii) HCl (iii) CCl4 (iv) NaCl(i) and (ii)(ii) and (iii)(iii) and (iv)(i) and (iii)Question 15 of 15 Loading...
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