A substance x used for whitewashing is name the x and its formula write the reaction of substance x and write balanced equation
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the substance X used for whitewash is slaked lime or calcium hydroxide or Ca (OH )2.
Cao +H2O -----> Ca(OH)2
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a) Substance "X" is calcium oxide.
Chemical formula: CaO
b) Reaction with water: Calcium oxide reacts with water to form Calcium hydroxide.
when it reacts with water: CaO+H2O -----> Ca[OH]2 +heat
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