what should be done to fill the medicine in the dropper?why?
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Answered by
20
BY SQUIZXING THE DROPPER TOP THE AIR IN THE DROPPER WILL COMES IN AND WHEN WE RELEASE IT WILL COME BACK
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Answered by
25
When the open end of a dropper is dipped inside a liquid medicine and the closed end is pressed, some air from inside the dropper is expelled out. The pressure of air inside it now being less than the
atmospheric pressure, the greater atmospheric pressure pushes some liquid in to the dropper.
When the process is repeated more and more medicine gets in till it is full.
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