Which of the following does not work on the existence of atmospheric pressure ?
A. rise of iodine solution in the glass tube of dropper
B. rise of cold drink in a long plastic straw
C. sticking of suction hook on the wall of a room
D. rise of mercury in glass tube of thermometer
Answer:A
Which of the following does not work on the existence of atmospheric pressure ?
A. rise of iodine solution in the glass tube of dropper B. rise of cold drink in a long plastic straw C. sticking of suction hook on the wall of a room D. rise of mercury in glass tube of thermometer