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Chemistry – General – LS

Chemistry – Set 2

Dear ! This is Chemistry – Set 2  Quiz and it contains 100 questions.

Happy Learning!

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1. The reaction intermediate formed during the preparation of diethyl ether from ethanol by treatment with H2SO4 is

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2. The value of gas constant R in Ergs deg–1 mole–1 is

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3. During fermentation of sugar, the compound which is always formed is :

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4. Which of the following vegetable oils does not contain essential fatty acids ?

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5. Rectified spirit is :

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6. The strongest acid of the following is

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7. Isobars are lines joining places having equal

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8. The nuclear particle having no mass and no charge, but only spin is

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9. The new strain of bacteria produced by biotechnology in alcohol industry is

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10. ‘Atomic theory’ of matter was given by

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11. Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?

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12. Which one of the following elements is least likely to be found in commercial fertilisers?

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13. The name of unreactive gas is

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14. Wood spirit is

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15. Match the List-I with List-II and select the correct answer using the codes given below

List-I (Vitamin) List-II(Chemical compound)
F. Vitamin A 1. Thiamin
G. Vitamin B1 2. Retinol
H. Vitamin C 3. Ascorbic acid
J. Vitamin E 4. Tocopherol

Codes :

F G H J
A. 4 1 3 2
B. 2 3 1 4
C. 4 3 1 2
D. 2 1 3 4

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16. Milk is a colloidal system in which:

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17. The metal present in vitamin B12 is

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18. Suspension particles have the size between

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19. Denatured spirit is ethanol mixed with

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20. The metal ion present in Vitamin B12 is

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21. Muddy water is treated with alum in purification process, it is termed as :

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22. Number of hydrogen atoms in a Glucose molecule is

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23. Which of the following alkali metals has highest specific heat?

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24. Which component referred to as ‘Milk sugar’?

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25. Activated Charcoal is used to remove colouring matter from pure substances by

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26. The example of oligosaccharide is

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27. White phosphorus is always kept under

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28. In a Carbonyl group a carbon atom makes double bond with

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29. Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ?

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30. The chief constituent of vinegar is

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31. The three elements most needed in common fertilisers are :

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32. In deep-sea diving, divers use a mixture of gases consisting of oxygen and

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33. Conduction band electrons have more mobility than holes because they

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34. Molasses a by-product in the manufacture of sugar, is converted into

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35. The heat value of combustion of Gasoline is

 

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36. The enzyme that converts glucose to ethyl alcohol is :

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37. Vinegar made by fermentation from cane sugar contains

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38. A substance which readily forms colloidal solution in contact with water is called

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39. The apparatus used to test acidity of aqueous solution is

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40. The antiparticle of an electron is

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41. Which of the following is the best fuel in terms of energy released per gram of fuel?

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42. A colloidal system in which a liquid is dispersed in a liquid is called

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43. Liquid Nitrogen boils at

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44. Which of the following is not soluble in water ?

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45. Cloud is a colloidal dispersion of

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46. Nucleons are regarded as composites sub-particles known as

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47. When formaldehyde and potassium hydroxide are heated, we get

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48. Gelatin is mostly used in making ice-creams in order to

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49. Which of the following vitamins is generally excreted by human in urine?

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50. If a buffer solution is diluted its pH

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51. Williamson’s synthesis is widely used in the laboratory preparation of

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52. What is the second largest component in milk ?

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53. Which of the following is not present in RNA

 

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54. Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

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55. Which one of the following is not a fertilizer?

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56. The presence of Cobalt in Vitamin B12 was established for the first time by

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57. Which of the following pairs of materials serves as electrodes in rechargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ?

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58. Nitrogen is an essential constituent of all :

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59. ‘Vinegar’ is a commercial name of

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60. The most volatile of the given liquids is

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61. Which of the following metals causes Itai-Itai disease ?

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62. The total energy of revolving electron in an atom

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63. Among the fuels given below, the one with highest calorific value is

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64. Which among the following is used as a catalyst in the production of high octane fuels?

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65. The influence of temperature on reaction rate is predicted by

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66. When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in

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67. Which one of the following gases has the highest calorific value?

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68. Ethanol containing 5% water is known as

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69. Which of the following is colourless?

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70. Which one of the following organic compound is used to remove stains of iron compounds?

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71. Which one of the following has greatest mass ?

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72. Which of the following substance’s smell is similar to Ethanoic acid?

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73. Peptization is a process of

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74. If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by

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75. The orientation of an atomic orbital is governed by

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76. Extensively used nitrogenous fertilizer is

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77. The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas

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78. The molecular mass of a gas is

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79. Which is a natural colloid ?

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80. Which one of the following is found in Vinegar ?

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81. Emulsifier is an agent which

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82. The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

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83. Which of the following acts as best adsorbent?

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84. The scientist who experimentally proved the existence of positron is

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85. Which one of the following is an example of a gel ?

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86. Colloids can be purified by

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87. The green colour seen in firework displays is due to the chloride salt of :

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88. The most suitable unit for expressing nuclear radius is :

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89. Catalytic converters are generally made from :

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90. When there are two electrons in the same orbital, they have:

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91. What do you understand by the term Espuma ?

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92. The residue left after extracting juice from sugarbeet and sugarcane is called

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93. An emulsion is a colloid of a

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94. If the equilibrium constants for the systems H2 + I2 -> 2HI and 2HI -> H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is :

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95. Methanoic and ethanoic acids can be distinguished by the action of

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96. How many atoms of oxygen are in a glucose molecule?

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97. Which among the following is a carbohydrate ?

 

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98. Alcohol prepared by the distillation of wood is :

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99. If the sewage is fully oxidized, the nitrogen is in the form of

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100. Which of the following is not a derivative of barbituric acid?

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