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Question
Which of the following statements is correct?
Options
The presence of reacting species in a covered beaker is an example of open system.
There is an exchange of energy as well as matter between the system and the surroundings in a closed system.
The presence of reactants in a closed vessel made up of copper is an example of a closed system.
The presence of reactants in a thermos flask or any other closed insulated vessel is an example of a closed system.
Solution
The presence of reactants in a closed vessel made up of copper is an example of a closed system.
Explanation:
The presence of reactants in a closed vessel made of conducting material e.g., copper or steel is an example of a closed system.
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