A) Crystal loses water
B) Crystal absorbs moisture and \[C{{O}_{2}}\]
C) Crystal melts
D) Crystal sublimes
Correct Answer: B
Solution :
[b] It is hygroscopic and deliquescent. It absorbs moisture and \[C{{O}_{2}}\] to form \[N{{a}_{2}}C{{O}_{3}}\] \[2NaOH+C{{O}_{2}}\xrightarrow{{}}N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O\]
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