Question

CaO + H2O=Ca(OH)2 write the physical properties

Answer 1

CaO(s) + H2O( l) = Ca(OH)2 (aq)

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Answer 2

1. It is an exothermic rxn.
2. a large amount of heat is released with a hissing sound
3. Ca(OH)2 is a colorless crystal or a white powder substance
4. its density is 2.21g/cm3
5. melting point of 580degree celcius.

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