Chemistry Practice MCQ Page 29

Multiple Choice questions for Chemistry in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 3126   The force of attraction that result from attraction of the positively changed nucleus of an atom and election could of the nearby atoms or molecules is called
  1. London forces
  2. bonding force
  3. hydrogen bonding
  4. electrostatic forces
Question: 3127   If molecules continuously escape from the surface of a liquid at all temperature, this process is called
  1. condensation
  2. evaporation
  3. boiling
  4. melting
Question: 3128   The molecules that escape from the surface of a liquid have kinetic energy
  1. lesser than average
  2. normal
  3. greater than average
  4. below normal
Question: 3129   The process of evaporation continues at even rate if we supply
  1. liquid
  2. heat
  3. air
  4. energy
Question: 3130   If attractive forces between neighboring molecules are small, the escaping ability of molecules of liquid is
  1. normalized
  2. increased
  3. harmonized
  4. decreased
Question: 3131   The rate of evaporation of petrol as compare to water is
  1. greater
  2. lesser
  3. not equal
  4. equal
Question: 3132   On increasing the temperature the rate of evaporation will
  1. decrease
  2. remain same
  3. increase
  4. remain constant
Question: 3133   The steam produces severe burns than water due to
  1. heat of fusion
  2. heat of vaporization
  3. heat of steam
  4. heat of water
Question: 3134   The amount of heat required to convert one mole of a liquid into its vapours at the same temperature is called
  1. vaporization
  2. fusion
  3. sublimation
  4. reaction
Question: 3135   The evaporation causes
  1. cooling
  2. heating
  3. boiling
  4. condensation
Question: 3136   The measure of average kinetic energy of the molecules of a liquid is called
  1. heat
  2. volume
  3. temperature
  4. pressure
Question: 3137   The pressure exerted by vapours in equilibrium with its own liquid phase is called
  1. atmospheric pressure
  2. pressure
  3. liquid pressure
  4. vapour pressure

Answers to the questions of Chemistry on this page

Following list gives the correct choice for the answer of the Chemistry mcqs.
3126 . A       3127 . B       3128 . C       3129 . B       3130 . B       3131 . A       3132 . C       3133 . B       3134 . A       3135 . A       3136 . C       3137 . D      

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