Question

What gas can change your voice?

Answer 1

Helium gas can change our voice as pitch of voice will go up.
sulfur hexafluoride can also change our voice as voice becomes low by inhaling it.

Answer 2

$<b>$▶▶▶Hello▶▶▶

❕❗here's your answer❗❕

$\fcolorbox{black}{pink}{Sulfur\:hexafluoride}$ is the gas which changes our voice when it is inhaled.

When Sulfur hexafluoride is inhaled the voice sounds very low.

This can be inhaled with proper training.

It can be inhaled in a minimum quantity.

✔✔ Hope this helps you ✔✔