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Question

In the reaction-

CaO+H2OCa(OH)2+HeatenergyCalciumoxideWaterCalciumhydroxide

The possible state of Ca(OH)2 is:

A
Liquid.
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B
Aqueous.
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C
Gaseous.
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D
Solid.
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Solution

The correct option is B Aqueous.
CaO+H2OCa(OH)2+ Heat energy

The above reaction is an exothermic reaction and as the reaction involves water, to contain the reaction heat energy the Ca(OH)2 will be having aqueous state.

Hence, the correct option is B

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