States of Matter MCQ

Test your knowledge with important States of Matter MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more States of Matter MCQs at Bissoy

• Molecules do exert repulsive forces on one other.
  ক

  True

  খ

  False
• Hydrogen bond plays a vital role in determining substance properties and structure. Which of the following may not an example?
  ক

  Proteins

  খ

  Nucleic acids

  গ

  Methane molecule

  ঘ

  Water
• Which of the following interaction occurs between a permanent dipole and a neutral molecule?
  ক

  Dipole-Dipole interactions

  খ

  Dipole-induced dipole interactions

  গ

  London interaction

  ঘ

  Van der Waals interaction
• Take “r” as the distance between two molecules. The energy between stationary polar molecules is proportional to ____________ in the case of dipole-dipole intercations.
  ক

  1/r3

  খ

  r3

  গ

  r2

  ঘ

  1/r2
• HCl is an example of __________
  ক

  dipole-dipole intercations

  খ

  dipole-induced dipole interactions

  গ

  london intercation

  ঘ

  van der waals interaction
• Dipole-Dipole forces are stronger than _______ and weaker than _________ interactions.
  ক

  dipole-induced dipole, london

  খ

  ion-ion, dispersion

  গ

  ion-ion, london

  ঘ

  london, ion-ion
• Dispersion force’s interaction energy is proportional to (take “r” as the distance between the two particles) ___________
  ক

  r6

  খ

  1/r-6

  গ

  r2

  ঘ

  1/r6
• London force is also known as _____________
  ক

  dispersion force

  খ

  van der Waals forces

  গ

  hydrogen bonding

  ঘ

  covalent bonds
• Deviation of real gas behavior from ideal gas is discovered by _____________
  ক

  Jonathan

  খ

  Van der Waals

  গ

  Boyle

  ঘ

  Newland
• What are the forces of attraction and repulsion between interacting molecules known as _________
  ক

  attractive forces

  খ

  repulsive forces

  গ

  intermolecular forces

  ঘ

  intramolecular forces
• The root mean square speed of a gas at a certain condition is 1.128 times greater than the most probable speed.
  ক

  true

  খ

  false
• Which of the following is greater for identical conditions and the same gas?
  ক

  most probable speed

  খ

  average speed

  গ

  root mean square speed

  ঘ

  most probable and average speed have the same value
• The speed of three particles is recorded as 3 m/s, 4 m/s, and 5 m/s. What is a root mean square speed of these particles?
  ক

  4.082 m/s

  খ

  2.07 m/s

  গ

  3.87 m/s

  ঘ

  3.082 m/s
• Which of the following statements do you think is the correct one?
  ক

  in gases there is a predominance of intermolecular energy

  খ

  all molecules have the same speed at different temperatures

  গ

  collisions of gas molecules are elastic

  ঘ

  do not exert the same pressure in all directions
• Which of the following is not a postulate of Kinetic molecular theory of gases?
  ক

  the actual volume of gas molecules is negligible

  খ

  there are high forces of attraction between the gas molecules

  গ

  collisions are elastic in gas molecules

  ঘ

  kinetic energy of gas molecules is directly proportional to the absolute temperature
• The temperature of a gas is 100 K it is heated until it is 200 k then, what do you understand regarding kinetic energy in this process?
  ক

  halved

  খ

  tripled

  গ

  quadrupled

  ঘ

  doubled
• There is an increase in temperature of an object then the kinetic energy of the object __________
  ক

  decreases

  খ

  increases

  গ

  remains the same

  ঘ

  it is not related to the temperature
• At an instance different particles have ________ speeds.
  ক

  same

  খ

  different

  গ

  opposite

  ঘ

  similar
• Collisions of gas molecules are ___________
  ক

  perfectly elastic

  খ

  inelastic

  গ

  always occur in a proper and predicted motion

  ঘ

  not conserved
• Why do you think the pressure is exerted by the gas on the walls of the container in all directions?
  ক

  they consist of identical particles

  খ

  collide with each other during random motion

  গ

  lack of definite shape

  ঘ

  more forces of attraction
• Gases do not have a fixed shape.
  ক

  true

  খ

  false
• Gases ________ and occupy all the space that is available to them.
  ক

  contract

  খ

  compress

  গ

  expand

  ঘ

  shrink
• Which of the following assumption explains great compressibility of gases?
  ক

  the actual volume of the gas molecules is negligible

  খ

  there is no force of attraction

  গ

  particles are always in random motion

  ঘ

  different particles have different speeds
• Sunlight and heat reaching earth is an example of _________
  ক

  conduction

  খ

  radiation

  গ

  convection

  ঘ

  both convection and conduction
• In which of the following particles, convection is not possible?
  ক

  Milk

  খ

  Water

  গ

  Atmosphere

  ঘ

  Iron
• Thermal energy transfer can occur through ______ ways.
  ক

  2

  খ

  1

  গ

  3

  ঘ

  0
• Choose the best option. Boiling kettle is an example of ____________
  ক

  only thermal energy

  খ

  both thermal and Kinetic energy

  গ

  only kinetic energy

  ঘ

  potential and Kinetic energy
• Which of the following may not be a source of thermal energy?
  ক

  Micro-oven

  খ

  Sun

  গ

  Moon

  ঘ

  Heater
• ___________ of particles results in the rise of thermal energy.
  ক

  Direction

  খ

  Vibration

  গ

  Shape

  ঘ

  Atoms
• The faster the body moves, the higher the thermal energy.
  ক

  True

  খ

  False