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

Which of the following statements is correct?A. The presence of reacti

1.	Which of the following statements is correct?A. The presence of reacting species in a covered beaker is an example of open system.B. There is an exchange of energy as well as matter between the system and the surroundings in a closed system.C. The presnce of reactants in a closed vessel made up of copper is an example of a closed system.D. The presence of reactants in a thermos flask or any other closed insulated vessel is an example of a closed system.
Answer» Correct Answer - C In a closed system (e.g., the presence of reactants in a closed vessel made of conducting material i.e. copper ) there is no exchange of matter, but exchange of energy is possible between system and the surroundings.

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