take a large plastic bottle and a two holded rubber cork that fits fitmly into ots mouth also take two glass tubes. tie a coloured ballon to the lower end of one of the glass tubes. insert the glass tubes into the two holes of the cork. the glass tubes should fit tightly in the holes. Close the mouth of the bottle with the cork and seal it with sealir airtight. The balloon should be inside the bottle as shown in Fig. Now suck air out of the bottle through the tube that doesn't ha 9. What happens to the balloon? 10. Why do you think this happened?
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the ballon gets inflated, as we removed the air from the bottle it creates a vaccum in the bottle and the air from the other side pushes the sides of the ballon in order to fill the vaccum in turn inflating the ballon
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