Select the correct statement:

A The presence of reactant in a thermos flask or any other closed insulated vessel is an example of closed vessel
B There is an exchange of energy as well as matter between the system and the surroundings in a closed system
C The presence of reacting species in a covered beaker is an example of open system
D The presence of reactant in a closed vessel made up of copper is an example of closed vessel

Correct Answer: The presence of reacting species in a covered beaker is an example of open system

Matter does not exchange with surroundings in a closed system and isn’t subject to any force whose source is external.
Bissoy MCQ
#Physical Chemistry #Thermodynamics Reactions

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