Question

When ammonium chloride is warmed with NaOH in a test tube, the
system is
a. Open system
b. Closed system
C. Isolated system
d. None of the above​

Answer 1

Answer:

When we are warming ammonium chloride with sodium hydroxide in a test tube, there is exchange of heat as well as mass between system and surrounding. Mass is transferred from the open end of the test tube due to evaporation.

Explanation:

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Answer 2

Answer:

Answer for this Q. is :

(a) Open system

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