If you remove the cover, air balloons, on the mouth of the tube, then remove the trial to soak in the hot water, nothing happens. There are no balloons, air tube, mouth konkhrop on trial. The balloons will inflate.
If the balloon with air, cover the mouth of the test tube are then soaked in hot water. Nothing will happen Be no air balloons before covering the mouth vitro. So that inflates balloons
If some balloons with air cover on the mouth of the test tube and then soaked in hot water, and nothing will happen. To make balloons and no air cover on the mouth of a test tube. The balloons will swell up.