Question

Which of the following is a common property or characteristic of an acid?

Slippery feel

Bitter taste

Increases the hydroxide ion concentration in solution

Reacts with active metals to produce hydrogen gas

Answer 1

The characteristic that is common to acids are that they can react with active metals to produce hydrogen gas.

Answer 2

REACTS WITH ACTIVE METALS TO PRODUCE HYDROGEN GAS is a common property or characteristic of an acid.

Here are the characteristics of an acid.
pH < 7
Sour taste
Reacts with a metal to form hydrogen gas
Increases the H+ concentration in water
Donates H+ ions
Turns blue litmus indicator red