Question

adding water to powered line is which change
​

Answer 1

Answer:

chemical change

Explanation:

The chemical reaction between quicklime (CaO) and water is characterized by change in temperature of mixture. The reaction is exothermic (heat is liberated) and a hissing sound is heard. The product is slaked lime (calcium hydroxide).

CaO+H

2

O→Ca(OH)

2

+ 15000 calories

Answer 2

chemical change

The chemical reaction between quicklime (CaO) and water is characterized by change in temperature of mixture. The reaction is exothermic (heat is liberated) and a hissing sound is heard. The product is slaked lime (calcium hydroxide).

CaO+H

2

O→Ca(OH)

2

+ 15000 calories