Question

What happens if dilute h2so4 is not added to water

Answer 1

Normally if the sulfuric acid is concentrated and then added to waterthat can result in an boiling of waterand is a vigorous reaction which can also spit out and fall on your skin. But dilute Sulfuric acid addition to waterwill not cause this much of exothermic reaction as the acid is not pure this time.

Mark as Brailiest if it helps.

Answer 2

Dilute H2so4 has many properties like:
It increases the conductivity of water and act as dehydrating agent ..