Select correct statement (1) In the decomposition of an oxide into oxygen and solid/ liquid meta...

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Select correct statement
(1) In the decomposition of an oxide into oxygen and solid/ liquid metal, entropy increases.
(2) Decomposition of an oxide is an endothermic change.
(3) To make \( \Delta \mathrm{G}^{\circ} \) negative, temperature should be high enough so that \( \mathrm{T} \Delta \mathrm{S}^{\circ}\Delta \mathrm{H}^{\circ} \).
(4) All are correct statements.
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