An inorganic compound first melts then resolidifies and then liberates – McqOptions

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1.	An inorganic compound first melts then resolidifies and then liberates a gas. It may be [DPMT 2002]
A.	\[Mn{{O}_{2}}\]
B.	\[A{{l}_{2}}{{O}_{3}}\]
C.	\[KMn{{O}_{4}}\]
D.	\[KCl{{O}_{3}}\]
Answer» E.

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