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Chemistry Entrance Examination Questions 2072 | BSc.CSIT | TU

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Chemistry entrance paper 2072Entrance Preparation Paper | BSc.CSIT
Chemistry Practice Questions | 2072
Tribhuvan University (TU)

Practice Chemistry portion of TU Entrance model questions of 2072.


(25×1 = 25)

  1. The number of moles present in 90 g of water is
    a) 1.0          b) 90.0         c) 5.0           d) 9.0
  2. 1.0 g of HCl reacts with 1.0 g of CaCO3 , the volume of CO2 produced at NTP would be equal to
    a) 1.0 litres          b) 0.224 litres              c) 2.24 litres            d) 22.4 litres
  3. Magnetic quantum number specifies
    a) orientation of orbitals                        b) size of orbitals
    c) shape of orbitals                                  d) magnetic properties of orbitals
  4. A cooking gas cylinder can withstand a pressure of 20 atmosphere. At 27 C the pressure of the containing gas is 10 atmosphere. On raising the temperature, the cylinder will burst when the temperature exceeds
    a) 273° C                 b) 327° C                c) 300° C                    d) 127° C
  5. Which of the following methods of expressing concentration is independent of temperature
    a) Molality              b) Molarity             c) Normality            d) Grams per litre
  6. An aqueous solution of Na2C03 would be
    a) acidic                 b) basic                   c) neutral                      d) either acidic or basic
  7. Which one of the following is not a lewis base?
    a) H20                b) NH3                    c) OH-1              d) BF3
  8. In alkaline condition KMn04 reacts as follow
    2KMn04 + 2KOH → 2K2 MnO4 + H2O + O, the Eq. wt of KMnO4 is
    a) M/1               b) M/2                 c) M/5                     d) M/6
  9. The molecular geometry of which compound cannot be predicted by the application of VSEPR theory.
    a) CH4              b) PCl5                 c) SF6                    d) MgCl2
  10. Which of the following is an amphoteric oxide
    a) ZnO              b) MgO                 c) SiO2                  d) H2O
  11. Ammonia is manufactured by the use of
    a) Down’s Process           b) Solroy’s Process         c) Haber’s Process         d) Ostwald’s Process
  12. Dry ice is
    a) ice which is dried by treating with dehydrating agent
    b) ice which is super cooled
    c) solid CO2
    d) ice mixed with some organic solvents
  13. Number of atoms in one molecule of sulfur is
    a) 8                b) 4                  c) 2                d) 1
  14. Which of the following noble gas is not present in atmosphere?
    a) He               b) Ar                 c) Ne                d) Rn
  15. Chalcopyrite is an ore of
    a) Fe               b) Cu                  c) Zn                d) Hg
  16. The substance used as flux in the extraction of iron from haematite in blast furnace is
    a) Calcium phosphate            b) Silica          c) Limestone            d) Calcium silicate
  17. The formula of bleaching powder is
    a) Ca(OCl)Cl           b) CaSO4.2H2O            c) 2CaSO4.H2O            d) MgSO4.7H2O
  18. The members of a homologous series have
    a) different general formula                      b) different molecular weight
    c) different chemical properties               d) different method of preparation
  19. Which of the following reagent cannot be used to distinguish between acetaldehyde and acetone
    a) Tollen’s reagent       b) Fehling’s solution          c) Schiff s reagent           d) Br2 in CCl4
  20. Reduction of nitrobenzene in acidic medium gives
    a) aniline                b) azoxybenzene              c) azobenzene              d) hydrazobenzene
  21. When formaldehyde reacts with ammonia, it gives
    a) aldehyde ammonia             b) formic acid              c) urotropine            d) methyl amine
  22. Dettol is an example of
    a) analgesic drug        b) antipyretic drug             c) antibiotic drug          d) antiseptic drug
  23. BHC is an example of
    a) Condensation polymer           b) addition polymer            c) azo dye           d) pesticide
  24. Protein is a compound having
    a) ether linkage            b) ester linkage             c) peptide linkage              d) amine linkage
  25. Which one of the following is present as a sugar unit in DNA?
    a) glucose                b) sucrose             c) deoxyribose                d) ribose
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