Question

NaOH पाण्यात मिसळणे व CaO पाण्यात मिसळणे या देान घटनांमधील साम्य व भेद लिहा.

Answer 1

heat is evolved in both the cases when in which is mixed with water this process is called dilution and no chemical reaction is taking place but when CaO is mixed with water it becomes Ca (OH)2 and heat is evolved

$cao \: + h \frac{}{2}o \: - - > ca(oh) \frac{}{2}$