In the previous question$ – McqOptions

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1.	In the previous question$
A.	above the mercury level in the tube of a barometer, which measures 750 mm Hg. If the atmospheric pressure is 760 mm Hg, then the pressure of the trapped air is
B.	15 mm Hg
C.	760 mm Hg
D.	Between 745 and 760 mm Hg
Answer» B. 15 mm Hg

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