The figure below shows a bulb hydrometer.

The figure below shows a bulb hydrometer.

i) State the principle in the hydrometer.
ii) Explain why the hydrometer has a weighted bulb and narrow stem.

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i)Law of flotation - a floating object displaces its own weight of fluid in which it floats.
ii) Weighted bulb - to make the hydrometer float upright and narrow to increase its sensitivity.

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sharon kalunda answered the question on September 30, 2019 at 07:05

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