Which of the following statements is not true regarding acids?
most fruits contain weak acids.
acids react with bases in neutralization reactions to produce water.
acids can be both highly and mildly corrosive.
active metals will react with acids in double replacement reactions.

Active metals will react with acids in double replacement reactions.

Explanation:

Acids are substances which dissociate in water to give ions.

1. Weak acids are those acids which partially dissociate in water.Most fruits contain weak acids. Lemons contain citric acid, vinegar contains acetic acid.

2. Acids react with bases to form salt and water and are called as neutralization reactions.

3. Concentrated acids containing large amounts of acid are highly corrosive and dilute solutions of acids containing high amounts of water are mildly corrosive.

4. Active metals undergo reaction with acids in single replacement reactions in which metals displace hydrogen from their salt solutions.

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