Рет қаралды 213,447
What have in common limestone, marble, seashells, snail shells and eggshells?
They all have a chemical compound named CALCIUM CARBONATE. CaCO3.
en.wikipedia.org/wiki/Calcium...
en.wikipedia.org/wiki/Limewater
en.wikipedia.org/wiki/Carbon_...
en.wikipedia.org/wiki/Calcium...
www.cienciabit.com