a substance x which is use for white washing when reacts with water give why . when carbon dioxide passex through y a substance z is foarm which is insoluble in water .what is x,y,z write the two equations.
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Answer:The chemical name of the substance x , which is used for white washing is calcium oxide. Its common name is lime or quick lime. The chemical formula of calcium oxide is CaO.
When calcium oxide reacts with water it forms Substance y calcium hydroxide. Calcium hydroxide is also known as slaked lime.
Calciumoxide
CaO(s)
+
Water
H
2
O(l)
→
Calciumhydroxide
Ca(OH)
2
(aq)
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CaCO3 requires for whitewashing......
When reacts with water it gives carbon dioxide.
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