What is a density bottle ? How is it used to find the density of a liquid ?
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Solution
DENSITY bottle is a small glass bottle having a glass stopper at its neck. The bottle can store a fixed volume of a liquid . Generally the volume of bottles is 25 ml or 50 ml.
Stopper has a narrow hole through it. When bottle is filled with liquid and stopper is inserted , THE EXCESS LIQUID RISES THROUGH THE HOLE and drains out .Thus the bottle will contain the same of liquid each time when it is filled . It is used to determine the density of a liquid.