Form 1 Particulate Nature of Matter Questions and Answers

Form 1 Particulate Nature of Matter Questions and Answers.
Find well solved and explained questions and answers on particulate nature of matter.

Lessons (17)     SHARE

• 1.    In the Brownian motion experiment, smoke particles are observed to move randomly. Explain how this motion is caused.
  1m 53s

• 2.    State the reason why gases are easily compressible while liquids and solids are not
  2m 18s

• 3.    Small quantities of hydrogen and helium gas at the same temperature are released simultaneously at one end of a laboratory. State with reason which gas is more likely to be detected at the other end.
  2m 7s

• 4.    Explain the cause of random motion of smoke particles as observed in Brownian motion experiment using a smoke cell.
  2m 10s

• 5.    Two identical tubes A and B held horizontally contain air and water respectively .A small quantity of coloured gas is introduced at one end of A while a small quantity of coloured water is introduced at one end of B.State with reason the tube in which the colour will reach the other end faster.
  4m 2s

• 6.    Distinguish between solid and liquid states of matter in terms of intermolecular forces.
  2m 23s

• 7.    Brownian motion of smoke particles can be studied by using the apparatus shown in figure 9.To observe the motion, some smoke is enclosed in the smoke cell and then observe through the microscope. a).Explain the role of the smoke particles, lens and microscope in the experiment. b).State and explain the nature of the motion of the smoke particles. c).State what will be observed about the motion o
  7m 8s

• 8.    Explain the difference between a liquid and a gas in terms of intermolecular distances and forces.
  3m 44s

• 9.    Two identical beakers A and B containing equal volumes of water are placed on a bench. The water in A is cold while in B it is warm. Identical pieces of potassium permanganate are placed gently at the bottom of each beaker inside the water .It is observed that the spread of color in B is faster than in A. Explain this observation.
  2m 32s

• 10.    State the reason why it is easier to separate water into drops than to separate a solid into smaller pieces.
  2m 30s

• 11.    A bottle containing a smelling gas is opened at the front bench of a classroom. State reason why the gas is detected throughout the room.
  2m 22s

• 12.    A drop of blue ink is introduced at the bottom of a beaker containing water. It is observed that after sometime, all water in the beaker turns blue. Name the process that takes place.
  1m 35s

• 13.    In a smoke cell experiment to demonstrate Brownian motion, smoke particles are seen moving randomly. State the cause of the randomness.
  1m 41s

• 14.    Figure 3 shows the arrangement of molecules in in the three states of matter. a).Name the process represented by the arrow. b).State the reason for the arrangement of the molecules in state 3.
  1m 21s

• 15.    It is observed that when #20cm^3# of alcohol was mixed with #20cm^3# of water, the volume of the mixture is #39cm^3#.State a reason why the volume of the mixture is not #40cm^3#.
  2m 39s

• 16.    It is observed that a drop of milk carefully put into a cup of water turns the water white after some time. State the reason for this observation.
  1m 35s

• 17.    State what is meant by Brownian Motion.
  1m 33s

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