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Basic Oxides of Metals

which two obs...

Question

which two observations will be made when quicklime as added to water?Write any two uses of the product so obtained (3marks)

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Solution

Two observations are:
1. Heat is produced
2. Hydrogen is produced
Two uses are:
1. Used for white washing of walls.
2. Used for repelling insects.

The reaction is:
CaO + H2O = Ca(OH)2

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