

MCQOPTIONS
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1. |
_Water always boils when its$? |
A. | Temperature reaches 100° C |
B. | Vapour pressure equals 76 cm of Hg |
C. | Saturated vapour pressure equals the external pressure on its surface |
D. | Saturated vapour pressure is less than the atmospheric pressure |
Answer» D. Saturated vapour pressure is less than the atmospheric pressure | |