A barometer is placed in a bell jar. What happens when air is slowly r – McqOptions

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1.	A barometer is placed in a bell jar. What happens when air is slowly removed in that bell jar?
A.	The level of mercury starts rising.
B.	The level of mercury begins to decrease.
C.	The level of mercury remains unchanged.
D.	Belazar gets cut.
Answer» C. The level of mercury remains unchanged.

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