What is the difference between concentrated and dilute acid?

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Aspect	Concentrated Acid	Dilute Acid
Definition	Contains a large amount of acid dissolved in a small amount of water.	Contains a small amount of acid dissolved in a large amount of water.
Acid Strength	Very strong, highly reactive.	Comparatively weak in reactivity.
Corrosiveness	Highly corrosive and can cause severe burns.	Less corrosive but can still cause irritation or mild burns.
pH Value	Very low (close to 0–2).	Higher than concentrated acid (usually around 3–6).
Density	More dense due to higher proportion of acid.	Less dense due to higher proportion of water.
Examples	Concentrated HCl, concentrated H₂SO₄.	Dilute HCl, dilute H₂SO₄.
Uses	Used in industries for chemical synthesis, fertilizers, explosives, etc.	Used in laboratories for experiments and in daily life applications (like cleaning, medicine in safe limits).