Question

How does Sulphuric Acid occur in free and combines state?

Answer 1

Answer:

Pure sulfuric acid has a specific gravity of 1.830 at 25 °C (77 °F); it freezes at 10.37 °C (50.7 °F). ... This mixture of sulfuric acid and water boils at a constant temperature of 338 °C (640 °F) at one atmosphere pressure. Sulfuric acid is commonly supplied at concentrations of 78, 93, or 98 percent.

Answer 2

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In free state, Sulphuric Acid ia found in certain mineral springs and is formed by the action of water on certain sulphides.

In combined state, Sulphuric Acid is found as Barytes, Gypsum and Kieserite.

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