Question

What does all acid have common?​

Answer 1

Explanation:

• Conclusion: Hydrogen is common in all acids i.e. all acids contain hydrogen which they liberate when they react with active metals. Thus we can say that acids are the substances which contain hydrogen ion, which they liberate when they react with active metals.

Answer 2

HERE IS YOUR ANSWER MATE

• $hydrogen$

IF IT HELPS YOU PLEASE MARK AS BRAINLIEST