An ink dropper has a rubber bulb at one end?
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Answer: hey mate here is your answer
Explanation:
The dropper is a short glass tube with a rubber bulb at one end and a nozzle at the other end.When we press the rubber bulb of the dropper by keeping its nozzle dipped in the liquid , air present in the glass tube and bulb is seen to escape in the form of bubbles.
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