Examveda

Which of the following rocks has the highest porosity?

A. Pumice

B. Granite

C. Gneiss

D. Slate

Answer: Option A

Solution (By Examveda Team)

Pumice is a highly porous volcanic rock formed by the rapid cooling of frothy lava.It contains many gas bubbles, making it lightweight and very porous.Correct Answer: Pumice.

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