Chapter 10 : MINERAL COAL AND MINERAL OIL

Choose Appropriate Alternative

1. Which is the primary state in transformation of coal?
   

   [A] Lignite [B] Bitumen [C] Anthracite [D] Peat

2. What is the matured form of coal?
   

   [A] Lignite [B] Bitumen [C] Anthracite [D] Peat

3. Which type of coal does not produce smoke or odour when burnt?
   

   [A] Lignite [B] Bitumen [C] Anthracite [D] Peat

4. Which of the following is not obtained as a component during destructive distillation of coal?
   

   [A] Coal gas [B] Methane [C] Coal tar [D] Coke

5. Which of the following is used in the production of water gas?
   

   [A] Coke [B] Coal tar [C] Coal gas [D] Ammonia

6. Water gas is a mixture of...
   

   [A] carbon dioxide and hydrogen  [B] carbon and hydrogen 
   [C] carbon monoxide and hydrogen [D] ammonia and hydrogen

7. Which gas is filled at high pressure in cylinders of house-hold cooking gas?
   

   [A] Methane [B] Ethane [C] Propane [D] Butane

8. Which component obtained during refining of petroleum is used as a solvent in petrochemicals?
   

   [A] Naphtha [B] Kerosene [C] Tar [D] Petroleum coke

9. Which of the following is used in petromax to obtain light?
   

   [A] Petrol [B] Diesel [C] Kerosene [D] Butane

10. Which is the chief hydrocarbon in natural gas?
    

    [A] Methane [B] Ethane [C] Propane [D] Butane

11. What is the molecular formula of ethene?
    

    [A] C2H6 [B] C2H2 [C] C2H4 [D] CH4

12. What is the general formula of alkyne series?
    

    [A] CnH2n [B] CnH2n-2 [C] CnH2n+2 [D] CnHn

13. What is the commercial name of ethyne?
    

    [A] Acrylic acid [B] Acetylene [C] Ethane [D] Oxyacetylene

14. C₃H₈ is the molecular formula of...
    

    [A] Methane [B] Ethane [C] Propane [D] Butane

15. What is the angle between any two bonds in methane molecule?
    

    [A] 105° 54' [B] 109° 28' [C] 119° 28' [D] 190° 28'

16. Which of the following is called a fossil fuel?
    

    [A] Mineral coal [B] Wood [C] Cowdung cake [D] All the given

17. From where is mineral coal obtained in Gujarat?
    

    [A] Ankleshwar [B] Khambhat [C] Thangadh [D] Kalol

18. What is used as fuel in jet-planes?
    

    [A] Gasoline [B] Diesel oil [C] Kerosene [D] All the given

19. Peat coal contains about _____ % carbon.
    

    [A] 28 [B] 30 [C] 78 [D] 86

20. The calorific value of lignite is about _____ kJ/g.
    

    [A] 22 [B] 27 [C] 30 [D] 40

21. How much carbon does bituminous coal contain?
    

    [A] 28-30% [B] 30-45% [C] 56-68% [D] 78-86%

22. What is the heat energy of bituminous coal?
    

    [A] 27 kJ/g [B] 30 kJ/g [C] 33 kJ/g [D] 35 kJ/g

23. What is the carbon content of anthracite coal?
    

    [A] 28-30% [B] 30-49% [C] 78-86% [D] 94-98%

24. What is the calorific value of anthracite coal?
    

    [A] 27 kJ/g [B] 30 kJ/g [C] 33 kJ/g [D] 35 kJ/g

25. Coke contains about ______ % carbon.
    

    [A] 50 [B] 70 [C] 80 [D] 96

26. The chief component of coal gas is...
    

    [A] CO [B] CO2 [C] H2 [D] CH4

27. The first petroleum well was dug at...
    

    [A] California [B] Alaska [C] Kuwait [D] Titusville

28. The first petroleum well was dug at _____ in India in 1867.
    

    [A] Makum [B] Ranchi [C] Ankleshwar [D] Allepy

29. The general formula of paraffin (aliphatic) hydrocarbons is...
    

    [A] CnH2n-2 [B] CnH2n+2 [C] CnH2n[D] CnHn

30. The general formula of naphthalene hydrocarbons is...
    

    [A] CnH2n-2 [B] CnH2n+2 [C] CnH2n[D] CnH2n-6

31. >The general formula of aromatic hydrocarbons is...
    

    [A] CnH2n-2 [B] CnH2n+2 [C] CnH2n[D] CnH2n-6

32. The boiling range of gasoline is...
    

    [A] 293-343 K [B] 343-473 K [C] 383-523 K [D] 473-523 K

33. The hydrocarbons present in gasoline are from...
    

    [A] C1 to C4 [B] C5 to C12 [C] C12 to C15 [D] C15 to C20

34. The boiling range of kerosene is...
    

    [A] 293-343 K [B] 343-473 K [C] 473-548 K [D] above 523 K

35. The hydrocarbons present in kerosene are from...
    

    [A] C1 to C4 [B] C5 to C8 [C] C9 to C12 [D] C12 to C15

36. The hydrocarbons present in diesel are from...
    

    [A] C5 to C8 [B] C9 to C12 [C] C12 to C15 [D] C15 to C18

37. The boiling range of diesel oil is...
    

    [A] 533-613 K [B] 473-548 K [C] 393-473 K [D] 303-393 K

38. Which of the following fractions is deposited on the inner side of the furnace during refining of petroleum?
    

    [A] Naphtha [B] Lubricating oil [C] Petroleum coke [D] Tar

39. The octane number is the measure of _____ of gasoline.
    

    [A] calorific value [B] impurity [C] knocking property [D] burning pressure

40. The octane number of n-heptane is...
    

    [A] 0 [B] 50 [C] 90 [D] 100

41. The octane number of iso-octane is...
    

    [A] 0 [B] 50 [C] 90 [D] 100

42. The efficiency of a sample of fuel is similar to that of a mixture containing 25% n-heptane and remaining iso-octane. Then its octane number is...
    

    [A] 75 [B] 25 [C] 125 [D] 1/25

43. To increase the octane number of gasoline ______ is added to it.
    

    [A] kerosene [B] tetraethyl lead [C] lead oxide [D] petroleum coke

44. During aromatization of n-hexane to benzene ______ is produced as an intermediate.
    

    [A] iso-hexane [B] iso-octane [C] cyclohexane [D] phenol

45. Cracking of n-octane gives n-butane and ______.
    

    [A] iso-butane [B] but-1-ene [C] but-2-ene [D] iso-pentane

46. To detect gas leakage from LPG cylinder, a foul smelling substance _____ is added to LPG.
    

    [A] tetraethyl lead [B] H2S [C] methyl mercaptan [D] methyl chloride

47. Carbon belongs to the _____ group in periodic table.
    

    [A] 12th [B] 13th [C] 14th [D] 15th

48. n-Butane and 2-methyl propane are...
    

    [A] allotropes [B] isotopes [C] isotones [D] isomers

49. The bonds formed by sharing of electrons with two unpaired electrons with opposite spins are called...
    

    [A] α-bonds [B] β-bonds [C] σ-bonds [D] π-bonds

50. In homologous series, each member of the series differs from its adjacent member by...
    

    [A] CH [B] CH2 [C] C2H [D] CH3

51. The difference between molecular masses of any two successive members of a homologous series is...
    

    [A] 12 u [B]  14 u [C] 16 u [D] 20 u

52. Which of the following are unsaturated hydrocarbons?
    

    [A] Alkanes [B] Alkenes [C] Alkynes [D] Both alkenes and alkynes

53. Sodalime is a mixture of...
    

    [A] CaO and NaOH [B] Ca(OH)2 and NaOH [C] CaO and NaCl [D] Ca(OH)2 and NaCl

54. In sodalime the proportion of CaO and NaOH is in the ratio...
    

    [A] 3:1 [B] 1:3 [C] 1:2 [D] 2:1

55. Cracking of hexane gives _____ as one of the products.
    

    [A] Ethene [B] Ethane [C] Butene [D] Propene

56. Dehydration of ethanol produces...
    

    [A] Ethane [B] Ethene [C] Ethyne [D] Methanol

57. In addition reaction of ethyne with dihydrogen gas to obtain ethane _____ is used as catalyst.
    

    [A] V2O5 [B] KMnO4 [C] Raney nickel [D] HCl

58. In oxyacetylene flame for welding of metals, _____ is used.
    

    [A] ethyne [B] ethene [C] ethane [D] ethyl chloride

59. Which of the following types of coal is used to obtain coal gas?
    

    [A] Peat [B] Lignite [C] Bitumen [D] Anthracite

60. Which brown coloured hard substance is left as residue during destructive distillation of mineral coal?
    

    [A] Coke [B] Coal tar [C] Charcoal [D] Asphalt

61. Which of the following is used in water-proofing?
    

    [A] Asphalt [B] Diesel [C] Lubricating oil [D] Naphtha

62. Which of the following is used for preparing electrodes (for batteries) and carbon tiles?
    

    [A] Petroleum coke [B] Tar [C] Naphtha [D] Asphalt

63. How much gasoline is obtained generally from mineral oil?
    

    [A] 50% [B] 33% [C] 27% [D] 18%

64. The chief constituent of LPG is...
    

    [A] methane [B] ethane [C] propane [D] butane

65. The chief constituent of CNG is...
    

    [A] methane [B] ethane [C] propane [D] butane

66. What is the general formula of alkane series?
    

    [A] CnH2n [B] CnH2n-2 [C] CnH2n+2 [D] CnHn

67. What is the general formula of alkene series?
    

    [A] CnH2n [B] CnH2n-2 [C] CnH2n+2 [D] CnHn

68. Which type of hybridization is found in a methane molecule?
    

    [A] SP1 [B] SP2 [C] SP3 [D] S2P

69. What is the main component of gobar gas?
    

    [A] methane [B] ethane [C] propane [D] butane

70. Which of the following is used in the production of water gas?
    

    [A] coke [B] coal tar [C] coal gas [D] ammonia

71. How many covalent bonds are there between carbon atoms in the molecule of acetylene?
    

    [A] 1 [B] 2 [C] 3 [D] 4

72. Which of the following is obtained by cooling the lubricating oil fraction obtained during refining of petroleum?
    

    [A] Naphtha [B] Coke [C] Wax [D] Tar

73. What is the atomic number of carbon?
    

    [A] 4 [B] 6 [C] 8 [D] 14

74. The shape of the methane molecule is...
    

    [A] hexagonal [B] tetrahedral [C] octahedral [D] rectangular

75. Which of the following compounds possesses cyclic structure?
    

    [A] Butane [B] Benzene [C] n-Hexane [D] Iso-octane

76. The mineral oil obtained from Pennsylvania of america is of the type containing...
    

    [A] paraffin hydrocarbons [B] naphthalene hydrocarbons
    [C] aromatic compounds    [D] asphalt

77. The pink colour of potassium permanganate disappears when ____ is added to it.
    

    [A] methane [B] ethene [C] ethyne [D] ethene or ethyne

78. In _____ reactions, straight chain hydrocarbons are converted to cyclic compounds.
    

    [A] isomerization [B] dehydrogenation [C] aromatization [D] cracking

79. 
    

    [A] [B] [C]  [D]

80. 
    

    [A] [B] [C]  [D]

ANSWERS

(1) D (2) C (3) C (4) B (5) A (6) C (7) D (8) A (9) C (10) A (11) C (12) B (13) B (14) C (15) B (16) A (17) C (18) C (19) A (20) B (21) D (22) B (23) D (24) C (25) C (26) A (27) D (28) A (29) B (30) C (31) D (32) B (33) B (34) C (35) D (36) D (37) A (38) C (39) C (40) A (41) D (42) A (43) B (44) C (45) B (46) C (47) C (48) D (49) C (50) B (51) B (52) D (53) A (54) B (55) A (56) B (57) C (58) A (59) B (60) A (61) A (62) A (63) D (64) D (65) A (66) C (67) A (68) C (69) A (70) A (71) C (72) C (73) B (74) B (75) B (76) A (77) D (78) C (79) (80)