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Standard VII
Chemistry
Question

Which of the following describes most gases?
  1. They expand to completely fill their container.
  2. They have a fixed volume.
  3. They cannot be compressed.
  4. All of the particles are the same size.
  5. The particles are very close together.

A
They expand to completely fill their container.
B
They cannot be compressed.
C
They have a fixed volume.
D
The particles are very close together.
E
All of the particles are the same size.
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Solution
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All gases have ability to occupy the volume of the container in which these are kept, as molecules of gases are free to move and occupy the space as much as it is provided.
Hence, here the (A) option is correct.

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