Question

why do puris float on water while friying​

Answer 1

Answer:

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Answer 2

Answer: Due to presence of air within them

Explanation:

When puris are fried, the air withing them heats up and expands. Due to the convection i.e. warmer substances remain above the colder ones, the hot air trapped within the puri travels upwards along with the puri.

This is what provides buoyancy to puris.