Which of the following is true for a closed system?
A
Mass entering = Mass leaving
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B
Mass does not enter or leave the system
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C
Mass entering can be more or less than the mass leaving
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D
None of the above
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Solution
The correct option is B Mass does not enter or leave the system A closed system is a physical system that does not allow the transfer of matter in or out of the system. Hence, for a closed system mass does not change.