GUJARAT Class 10 - pH Scale and its Importance in Everyday Life Videos

Bases are soapy to touch and not acids. 

Vinegar is 4-8% of acetic acid. 

Bases are soapy to touch; mineral acids are dangerous to touch and cause severe injuries. 

Formic acid is a carboxylic acid. 

Acids are classified as strong and weak acids, dilute and concentrated acids or organic and mineral acids.