5 x 5 = 25
  1. Describe the construction and working of mercury barometer.

  2. Explain the construction and working of a hydrometer with diagram.

  3. How high does the mercury barometer stand on a day when atmospheric pressure is 98.6 kPa?

  4. If you put one ice cube in a glass of water and another in a glass of alcohol, what would you observe? Explain your observations.

  5. Why does a boat with a hole in the bottom would eventually sink?

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