Q. Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of
A) Closed system
B) Open system
C) Isothermal system
D) Isobaric system
✔ Correct Answer: Open system
Exam Insight
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A) Closed system
B) Open system
C) Isothermal system
D) Isobaric system
✔ Correct Answer: Open system
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