Question

What does all acid have common?​

Answer 1

Answer:

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.

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Answer 2

Explanation:

• all acids are sour in taste.
• all acids have H+ ions
• all acids turn blue litmus to red
• all acids react with metal to form salt and hydrogen gas
• all acids react with base to form salt and water.(neutralisation reaction).

these are the common properties of acids