Question

state the meaning of strong acid and weak acid give one example of each

Answer 1

strong acid is very low in pH level and it changes blue litmes to red
weak acid is high in pH level and it changes red litmes to blue
below 7 in pH is acid
and after 7 is known as basic

Answer 2

The meaning of strong Acid is that the acid which completely ionises as H+ ions in its aqueos form . ex - HCl ( Hydrochloric Acid ) , HNO3 ( Nitric Acid )
Weak acid is the acid which partially ionises as H+ ions in aqueos form. ex - Acetic Acid ( CH3COOH )