Question

How are acids to touch

Answer 1

That depends on the strength of the acid. acids that are less strong would just feel like water when you put your hand in the beaker. Sulphuric acid having a bit high specific gravity and low adhesive forces, would feel like oil when you put your hand in. But strong or concentrated acids would aslo feel just like any liquid, wet but also give you burning sensation, since your hand is kind of dissolving in it.