Chemistry Questions and Answers updated daily – General Knowledge
Chemistry Questions: Solved 165 Chemistry Questions and answers section with explanation for various online exam preparation, various interviews, General Knowledge Category online test. Category Questions section with detailed description, explanation will help you to master the topic.
Chemistry Questions
81. Liquid is characterised by its
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Correct Ans:All of these properties
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82. The equilibrium constant decreases with rise of temperature in the case of
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Correct Ans:Exothermic reaction
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83. Rate of diffusion of a gas is
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Correct Ans:Inversely proportional to the square root of its molecular weight
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84. Electrostatic repulsion force in a molecule is due to
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Correct Ans:Repulsion between the electrons for electrons and nuclei for nuclei contained in two different molecules
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85. Mean free path of gas molecules is dependent on
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Correct Ans:Velocity of gas
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86. Which of the following copper alloys is used for the manufacture of control valves?
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Correct Ans:Bronze
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87. Which of the following has the lowest ionisation potential?
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Correct Ans:Iodine
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88. Most reactive element among the following is
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Correct Ans:Fluorine
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89. In a solid
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Correct Ans:Order effect of cohesive forces is greater than disorder effect of thermal agitation of the molecules
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90. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called
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Correct Ans:Boyle temperature
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91. Equilibrium established in a system in which two or more phases occur is called
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Correct Ans:Heterogeneous equilibrium
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92. Kinetic energy of translation of an ideal gas is dependent upon
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Correct Ans:Temperature of gas
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93. Some sources of energy are continuously produced in nature and are essentially inexhaustible. Which of the following is such a source?
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Correct Ans:Geothermal power
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94. The series in which the electrode potentials of metals are arranged in an order is known is
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Correct Ans:Electrochemical series
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95. The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
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Correct Ans:Henry's law
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96. The antiseptic compound present in Dettol is
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Correct Ans:Chloroxylenol
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97. Which metal is the heaviest in periodic table among the following?
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Correct Ans:Pb
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98. Stains of rust on clothes can be removed by:
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Correct Ans:Oxalic acid
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99. The percentage of nitrogen present in ammonia sulphate is :
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Correct Ans:21%
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100. Ethanol containing 5% water is known as:
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Correct Ans:Rectified spirit
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