? GTU Engineering 1st Year MCQ | Chemistry-2110001 Winter 2014 Sem-1

MCQ(s) of Chemistry (2110001) - Winter 2014 Sem-1

    • Q. 1  Chromatography is used for the separation of
    • (A) Small samples of mixture
      (B) Dye stuff
    • (C) Plant pigment
      (D) All
    • (D) All
    • Q. 2  Aniline is purified by
    • (A) Extraction of solvent
      (B) Steam distillation
    • (C) Vacuum distillation
      (D) Sublimation
    • (C) Vacuum distillation
    • Q. 3  What is working range of UV-visible spectroscopy?
    • (A) 100-400 nm
      (B) 400-800 nm
    • (C) 200-800 nm
      (D) 200-400 nm
    • (A) 100-400 nm
    • Q. 4  Who Discover Chromatography technique?
    • (A) Duma’s
      (B) Hoffmann
    • (C) Victore
      (D) Tswett
    • (D) Tswett
    • Q. 5  Duma’s method used for the estimation of
    • (A) Carbon
      (B) Nitrogen
    • (C) Sulphur
      (D) Halogen
    • (B) Nitrogen
    • Q. 6  What is the S.I unit of molarity?
    • (A) mol-1
      (B) mol
    • (C) mol.dm-3
      (D) mol.dm-2
    • (B) N
    • Q. 7  Molarity of 1N HCl solution…..
    • (A) 1M
      (B) 2M
    • (C) 1M
      (D) 0.5M
    • (C) 1M
    • Q. 8  Normality of 1M H2SO4 solution ……
    • (A) 2N
      (B) 1N
    • (C) 1.5N
      (D) 0.5N
    • (C) 2N
    • Q. 9  Sooty flame suggested……..
    • (A) Aromatic compound
      (B) CHCl3
    • (C) CCl4
      (D) All
    • (A) Aromatic compound
    • Q. 10  Melting point of Benzoic acid…….0C
    • (A) 75
      (B) 187
    • (C) 121
      (D) 44
    • (C) 121
    • Q. 11  C and H are estimated by
    • (A) Liebig method
      (B) Carius method
    • (C) Hofmann method
      (D) Duma’s method
    • (A) Liebig method
    • Q. 11  Which one among the following salts causes hardness to the water?
    • (A) Calcium carbonate
      (B) Calcium bicarbonate
    • (C) Sodium sulphate
      (D) Potassium chloride
    • (B) Calcium bicarbonate
    • Q. 12  Standard Operating Procedures state that juice prepared for human consumption should be slightly acidic. Which of the following pH levels would be suitable?
    • (A) 4
      (B) 1
    • (C) 7.9
      (D) 6.8
    • (D) 6.8
    • Q. 13  Lab fire extinguishers release …………… to extinguish fire
    • (A) O2
      (B) H2
    • (C) N2O
      (D) CO2
    • (D) CO2
    • Q. 14  Which of the following compound can be purified by sublimation?
    • (A) Alcohol
      (B) silica
    • (C) naphthalene
      (D) glucose
    • (C) naphthalene
    • Q. 15  What would be the normality of a solution formed by dissolving 80 gm NaOH in 2 liter of water?
    • (A) 1N
      (B) 2N
    • (C) 0.5N
      (D) 1.6N
    • (A) 1N
    • Q. 16  Milk of magnesia will show pH……………in pH meter:
    • (A) 7
      (B) greater than 7
    • (C) lesser than 7
      (D) can’t say
    • (B) greater than 7
    • Q. 17  In partition chromatography, stationary phase is
    • (A) Liquid
      (B) gas
    • (C) solid
      (D) any of these
    • (C) solid
    • Q. 18  The number of coordinate bonds formed by EDTA with metal cation:
    • (A) 7
      (B) 4
    • (C) 6
      (D) 5
    • (C) 6
    • Q. 19  Which of the following can’t be used as primary standared?
    • (A) Na2CO3
      (B) NaCl
    • (C) NaOH
      (D) Succinic acid
    • (C) NaOH
    • Q. 20  Novalak is………:
    • (A) Phenol formaldehyde resin
      (B) polyurethane resin
    • (C) Urea formaldehyde resin
    • (B) polyurethane resin
    • Q. 21  In an electrochemical cell oxidation always occurs at...............
    • (A) anode
      (B) cathode
    • (C) salt bridge
      (D) electrolyte
    • (A) anode
    • Q. 22  Brass is an alloy of…………
    • (A) Cu & Sn
      (B) Cu & Zn
    • (C) Ag & Pb
      (D) Cr & Al
    • (B) Cu & Zn