A balloon filled with O₂, gas is placed in a freezer, which acts as a system here?
- Electricity
- Freezer
- O₂
- None of these
Explanation
- In thermodynamics, a system is the part under study.
- Everything outside it is called surroundings.
- Here, the focus is on the gas behavior.
- So, the O₂ gas inside the balloon is the system.
- Freezer and environment act as surroundings.
Last verified on 12-04-2026
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