1.

When we press the bulb of a dropper with its nozzle kept in water, air in the dropper seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. Give reason

Answer» When we press the bulb of a dropper with its nozzle kept in water, air in the dropper seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. Give reason


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