You should be careful because if you drop the acid it nay be corrosive and you might cause you life into danger because corrosive damages the skin
'ing' - caring 'less' - careless 'ful' - careful
The suffix of the word careful is "ful".
Care
care ful
care-ful-ly
3.care-ful-ly.
careful full of care
The noun form for the adjective careful is carefulness.
There are three syllables. Care-ful-ly.
Care.
yh but they are really rough so be care ful
There are two syllables divided like this: care-ful.