Question

F. Answer the fo!!owing in short.
1. How can we determine the volume of a liquid with a meniscus that curves upwards?
2. Write the order in which the density decreases in three states of matter.
3. Explain briefly the construction of a hydrometer.
4. Define the relative density of a substance. Why does relative density have no units?
5. Why is a Plimsoll line a safety requirement for ships?
6. Write the factors that determine whether a solid will float or sink in a liquid.
7. Explain how the density of a substance varies with change in temperature.​

Answer 1

Answer:

1.When it curves upwards it reveals that the liquid has stronger adhesive force than cohesive force. When meniscus of liquid curves upward in a calibrated container the volume of the liquid is determined by reading the values at the bottom of the curving point.

2

Answer 2

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