Question

We discussed many properties and characteristics of acids in this lesson. Which of the following is NOT one that was mentioned?

A. Acids have a slippery feel.

B. Acids have a sour taste.

C. Acids dissolve many metals.

D. Acids turn litmus paper red.

E. All of the above are properties of acids.

Answer 1

Answer: A. Acids have a slippery feel.

Explanation:

Acid : It is a substance that has ability of donating proton or hydrogen ion, $H^+$.

The properties of an acid are :

Acids are sour in taste.

The texture of an acid solution is sticky.

It changes the color of the litmus paper to red.

It react with a metal to give compound and hydrogen gas.

Base : It is a substance that has ability of donating hydroxide ion, $OH^-$.

The properties of an base are :

Base are bitter in taste.

The texture of a base solution is slippery.

It changes the color of the litmus paper to blue.

It does not react with a metal.

Thus bases have slippery nature and not acids.