UPSC Chemistry Metals and Non-metals / धातु और अधातु Question Bank

done Non - Metals Total Questions - 24

• question_answer1)
  Which of the following reacts with cold water vigorously?
  A)
  carbon      done clear
  B)
                     sodium done clear
  C)
  magnesium       done clear
  D)
           sulphur done clear
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• question_answer2)
        Which of the following non-metals has shining lustrous surfaces?
  A)
  Graphite and phosphorus done clear
  B)
  Graphite and iodine done clear
  C)
  Iodine and phosphorus done clear
  D)
  Phosphorus and chlorine done clear
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• question_answer3)
        A non-metal that catches fire at room temperature is-
  A)
  Sodium                  done clear
  B)
           Sulphur done clear
  C)
  Phosphorus done clear
  D)
           Fluorine done clear
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• question_answer4)
        Which of the following metals on reacting with sodium hydroxide solution produce hydrogen gas?

  A. Cu

  B. Al

  C. Fe

  D. Zn

  A)
  B and C                 done clear
  B)
           A and D done clear
  C)
  B and D                 done clear
  D)
           B only done clear
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• question_answer5)
        Which are the most abundant elements in the universe? [NDA]
  A)
  Oxygen and Nitrogen done clear
  B)
  Hydrogen and Oxygen done clear
  C)
  Hydrogen and Helium done clear
  D)
  Carbon and Nitrogen done clear
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• question_answer6)
        What is the colour of oxygen in solid state? [NDA]
  A)
  Pale yellow done clear
  B)
           Pale blue done clear
  C)
  Light green          done clear
  D)
           Greenish yellow done clear
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• question_answer7)
        Why is nitrogen molecule chemically less active? [NDA]
  A)
  It has small atomic radius done clear
  B)
  It has high electronegativity done clear
  C)
  It has high dissociation energy done clear
  D)
  It has stable electronic configuration done clear
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• question_answer8)
        Yellow colour of usual nitric acid is due to the presence of which one of the following? [NDA]
  A)
  \[{{N}_{2}}O\]                done clear
  B)
           NO done clear
  C)
  \[{{N}_{2}}{{O}_{5}}\]                done clear
  D)
           \[N{{O}_{2}}\] done clear
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• question_answer9)
        Which one of the following elements cannot displace hydrogen gas from a dilute acid? [NDA]
  A)
  Zinc                       done clear
  B)
           Copper done clear
  C)
  Magnesium          done clear
  D)
          Iron done clear
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• question_answer10)
        Which of the following is not a nitrogenous fertilizer? [NDA]
  A)
  \[Ca{{(CN)}_{2}}\]     done clear
  B)
           \[CaC{{N}_{2}}\] done clear
  C)
  \[N{{H}_{4}}N{{O}_{3}}\]            done clear
  D)
           Urea done clear
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• question_answer11)
        Which one of the following is the correct order in which the gases \[{{H}_{2}},Ne,{{O}_{2}}\] and \[{{N}_{2}}\]are evolved on fractional distillation of liquid air? [NDA]
  A)
  \[{{H}_{2}},Ne,{{O}_{2}},{{N}_{2}}\]      done clear
  B)
          \[{{H}_{2}},Ne,{{N}_{2}},{{O}_{2}}\] done clear
  C)
  \[{{N}_{2}},{{O}_{2}},Ne,{{H}_{2}}\]      done clear
  D)
           \[{{O}_{2}},{{N}_{2}},{{H}_{2}},Ne\] done clear
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• question_answer12)
        Which of the following is an element which never exhibits positive oxidation state in any of its compounds? [NDA]
  A)
  Oxygen             done clear
  B)
                     Chlorine done clear
  C)
  Fluorine      done clear
  D)
                     Carbon done clear
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• question_answer13)
        Oxygen and ozone are [NDA]
  A)
  allotropes    done clear
  B)
           isomers done clear
  C)
  isotopes                           done clear
  D)
  isobars done clear
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• question_answer14)
        A glass of water does not turn into ice as it reaches \[0\text{ }{}^\circ C\]. It is because [NDA]
  A)
  water does not solidify at \[0\text{ }{}^\circ C\] done clear
  B)
  a certain amount of heat must be supplied to the glass of water so as to solidify done clear
  C)
  a certain amount of heat must be taken out from the glass of water so as to solidify done clear
  D)
  water solidifies at 0 K only done clear
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• question_answer15)
        Which one among the following does not have an allotrope? [NDA]
  A)
  Oxygen               done clear
  B)
          Sulphur done clear
  C)
  Nitrogen      done clear
  D)
          Carbon done clear
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• question_answer16)
  Deionised water is produced by [NDA]
  A)
  Calgon process    done clear
  B)
  Ion-exchange resin process done clear
  C)
  Clark's process done clear
  D)
  Permutit process done clear
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• question_answer17)
        Which one of the following is the secondary source of light in a fluorescent lamp? [CDS]
  A)
  Neon gas          done clear
  B)
           Argon gas done clear
  C)
  Mercury vapour       done clear
  D)
  Fluorescent coating done clear
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• question_answer18)
        Which one of the following is the softest? [CDS]
  A)
  Sodium           done clear
  B)
           Aluminium done clear
  C)
  Iron                       done clear
  D)
           Copper done clear
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• question_answer19)
        Which among the following elements is abundant on the lunar surface and holds the potential to put an end to the energy crisis of the earth? [CDS]
  A)
  Helium-I          done clear
  B)
           Helium-II done clear
  C)
  Helium-III    done clear
  D)
  Helium-IV done clear
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• question_answer20)
        Which allotropy of carbon is in rigid three- dimensional structure? [CDS]
  A)
  Graphite           done clear
  B)
           Fullerene done clear
  C)
  Diamond     done clear
  D)
           Carbon black done clear
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• question_answer21)
        What are the elements which are liquids at room temperature and standard pressure? [CDS]

  1.  Helium

  2.  Mercury

  3.  Chlorine

  4.  Bromine

  Select the correct answer using the codes given below
  A)
  2 and 3            done clear
  B)
           2, 3 and 4 done clear
  C)
  2 and 4       done clear
  D)
  1 and 3 done clear
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• question_answer22)
        The form of carbon known as graphite [CDS]
  A)
  is harder than diamond done clear
  B)
  contains a higher percentage of carbon than diamond done clear
  C)
  is a better electrical conductor than diamond done clear
  D)
  has equal carbon-to-carbon distances in all directions done clear
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• question_answer23)
        Which one of the following is also called Stranger Gas? [IAS Prelim]
  A)
  Argon                    done clear
  B)
           Neon done clear
  C)
  Xenon         done clear
  D)
           Nitrous oxide done clear
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• question_answer24)
       

  Statement I: Soaps do not form lather with water containing salts of calcium and magnesium.

  Statement II: Calcium and magnesium salts of long chain fatty acids are insoluble in water.

  A)
  Both the statements are individually true and Statement II is the correct explanation of Statement I. done clear
  B)
  Both the statements are individually true but Statement II is not the correct explanation of Statement I. done clear
  C)
  Statement I is true, but Statement II is false. done clear
  D)
  Statement I is false, but Statement II is true. done clear
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