DSSSB TGT Metals and Non-metals — practice questions
51 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice DSSSB TGT Metals and Non-metals in the app →The property of metals by which they can be drawn into thin wires is called:The property of metals by which they can be hammered into thin sheets is called:The most malleable metals are:Metal oxides that react with both acids and bases to give salt and water are called:The arrangement of metals in decreasing order of their reactivity is called the:When an iron nail is dipped in copper sulphate solution, the reaction that occurs is a:Aqua regia, which can dissolve gold and platinum, is a freshly prepared mixture of:An ionic bond is formed by the:Ionic compounds generally have high melting and boiling points because of:The process of coating iron with a thin layer of zinc to prevent rusting is called:Brass is an alloy of:The thermit reaction, used to join railway tracks, involves the reaction of iron(III) oxide with:Most non-metals are poor conductors of electricity. The notable non-metal that conducts electricity is:Which property is a hallmark of metals?A wire can be drawn out of a metal because the metal is:Which non-metal conducts electricity?Which metal is liquid at room temperature?Sodium is stored under kerosene because it:Iron nail dipped in copper sulfate solution shows colour change because:Which metal will NOT displace hydrogen from dilute HCl?Which is the most reactive metal among these?Reaction of Mg with steam gives:When magnesium burns in air the ash that forms is:In the formation of NaCl from Na and Cl, sodium:Ionic compounds conduct electricity:The ore of aluminium is:Highly reactive metals like sodium and aluminium are extracted from their ores by:Heating a sulfide ore strongly in excess air converts it to an oxide. This step is called:Iron is protected from rusting by coating it with zinc. This process is called:Calcination differs from roasting in that calcination is performed:Which of the following property is generally not shown by metals?The ability of metals to be drawn into thin wire is known asWhich one of the following metals do not react with cold as well as hot water?Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?The composition of aqua-regia isWhich of the following are not ionic compounds? (i) KCl (ii) HCl (iii) $\mathrm{CCl}_4$ (iv) NaClWhich one of the following properties is not generally exhibited by ionic compounds?Which of the following metals exist in their native state in nature? (i) Cu (ii) Au (iii) Zn (iv) AgSilver articles become black on prolonged exposure to air. This is due to the formation ofGalvanisation is a method of protecting iron from rusting by coating with a thin layer ofStainless steel is very useful material for our life. In stainless steel, iron is mixed withGenerally, metals are solid in nature. Which one of the following metals is found in liquid state at room tempGenerally, non-metals are not lustrous. Which of the following non-metal is lustrous?Which one of the following four metals would be displaced from the solution of its salts by other three metalsDuring electrolytic refining of zinc, it getsWhich among the following alloys contain mercury as one of its constituents?Although metals form basic oxides, which of the following metals form an amphoteric oxide?Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of electriElectrical wires have a coating of an insulting material. The material, generally used isWhich of the following non-metals is a liquid?Which of the following can undergo a chemical reaction?