Question

some acids are dangerous others are not explain giving examples

Answer 1

some acids are dangerous because they release more amount of H+ ions
hence too concentrated

and some release less H+ ions hence dilute

so some acids are dangerous and cause severe damage and some are not

HCl , H2SO4 ,are dangerous
HCOOH , CH3COOH are not dangerous

Answer 2

some acids are too danger because it has H+ ions