Differentiate between strong and weak acids. Identify the strong and weak acids from the following list of acids:
Hydrochloric acid, acetic acid, formic acid, nitric acid.

 The difference between Strong and Weak acids are given below:

Strong Acid	Weak Acid
Acids that ionize completely in an aqueous solution are called Strong Acid.	Acids that ionize partially in an aqueous solution are called Weak Acid.

 Strong acids: Hydrochloric acid, Nitric acid

Weak acids:  Acetic acid, Formic acid