Please read the guide .
Please answer the question in detail
(i) The substance 'X' is calcium oxide. Its chemical formula is CaO.
(ii) Calcium oxide reacts vigorously with water to form calcium hydroxide (slaked lime). CaO (s) + H2O (l) → Ca(OH)2 (aq) Calcium Oxide (Quick Lime) + Water → Calcium Hydroxide (Slaked Lime)
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