Question

why are chalk Hills slowly dissolved by rain explain it

Answer 1

Chalk or CaCO3 is sparingly soluble in water and chalk hills do not normally dissolve in rain water. However, under acidic conditions like acid rain, bicarbonate ions are formed and calcium bicarbonate salt is soluble in water.

Answer 2

hlo friend this is your answer

Chalk in water is a suspension. A suspension, as you probably know, is a fluid with finely dispersed solid particles. I can tell that chalk is a suspension because I can prove it contains solid particles. ... This makes it fairly easy to tell if a liquid mixture is a suspension or not

please add in brainlist