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• Take a small amount of calcium oxide o...

• Take a small amount of calcium oxide or quick lime in beaker.
• Slowly add water to this.

• Touch the beaker as shown in Fig.
Do you feel any change in temperature?

Text Solution

Verified by Experts

Yes, its temperature has increased highly. following reaction takes place :
`CaO + H_2O + Ca(OH)_2 + "Heat"`
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