Question 6. Write answers to the following. Explain the similarity and difference in two events, namely adding NaOH to water and adding CaO to water.

Question 6.

Write answers to the following.

Explain the similarity and difference in two events, namely adding NaOH to water and adding CaO to water.

Answer:

Reaction between NaOH and water: NaOH + H2O → Na+ + OH-

Reaction between CaO and water : CaO + H2O → Ca(OH)2 + heat