What material changes color when it is introduced to carbon dioxide?

0 ⤊

What material changes color when it is introduced to carbon dioxide?

please show a source

2007-10-11 14:08:09 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1 answers

Perhaps you are referring to lime water (water with calcium hydroxide dissolved in it). It is clear but becomes milky when CO2 is bubbled into the solution.

Ca(OH)2 + CO2 ---> CaCO3 + H2O

The CaCO3 is insoluble, thats what makes the milky color.

2007-10-11 14:14:43 · answer #1 · answered by Flying Dragon 7 · 0⤊ 0⤋